1669534848 has 128 divisors (see below), whose sum is σ = 4977273600. Its totient is φ = 550886400.

The previous prime is 1669534847. The next prime is 1669534903. The reversal of 1669534848 is 8484359661.

1669534848 is a `hidden beast` number, since 1 + 6 + 69 + 534 + 8 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1669534794 and 1669534803.

It is not an unprimeable number, because it can be changed into a prime (1669534847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346665 + ... + 351447.

It is an arithmetic number, because the mean of its divisors is an integer number (38884950).

Almost surely, 2^1669534848 is an apocalyptic number.

1669534848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1669534848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2488636800).

1669534848 is an abundant number, since it is smaller than the sum of its proper divisors (3307738752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1669534848 is a wasteful number, since it uses less digits than its factorization.

1669534848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4889 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 1669534848 is about 40859.9418501789. The cubic root of 1669534848 is about 1186.3108327259.

It can be divided in two parts, 16695348 and 48, that added together give a square (16695396 = 4086²).

The spelling of 1669534848 in words is "one billion, six hundred sixty-nine million, five hundred thirty-four thousand, eight hundred forty-eight".