1669476960 has 192 divisors, whose sum is σ = 5926556160. Its totient is φ = 438842880.

The previous prime is 1669476937. The next prime is 1669476979. The reversal of 1669476960 is 696749661.

1669476960 is a `hidden beast` number, since 166 + 9 + 476 + 9 + 6 + 0 = 666.

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 = 1669476897 and 1669476906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303999 + ... + 309441.

It is an arithmetic number, because the mean of its divisors is an integer number (30867480).

Almost surely, 2^1669476960 is an apocalyptic number.

1669476960 is a gapful number since it is divisible by the number (10) 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 1669476960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963278080).

1669476960 is an abundant number, since it is smaller than the sum of its proper divisors (4257079200).

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

1669476960 is a wasteful number, since it uses less digits than its factorization.

1669476960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 1669476960 is about 40859.2334729862. The cubic root of 1669476960 is about 1186.2971215306.

The spelling of 1669476960 in words is "one billion, six hundred sixty-nine million, four hundred seventy-six thousand, nine hundred sixty".