1699483680 has 144 divisors (see below), whose sum is σ = 6014421504. Its totient is φ = 453185280.

The previous prime is 1699483679. The next prime is 1699483691. The reversal of 1699483680 is 863849961.

1699483680 is a `hidden beast` number, since 16 + 99 + 483 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17025 + ... + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (41766816).

Almost surely, 2^1699483680 is an apocalyptic number.

1699483680 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 1699483680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007210752).

1699483680 is an abundant number, since it is smaller than the sum of its proper divisors (4314937824).

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

1699483680 is an equidigital number, since it uses as much as digits as its factorization.

1699483680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43741 (or 43721 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 1699483680 is about 41224.7944809917. The cubic root of 1699483680 is about 1193.3623523905.

It can be divided in two parts, 169 and 9483680, that added together give a palindrome (9483849).

The spelling of 1699483680 in words is "one billion, six hundred ninety-nine million, four hundred eighty-three thousand, six hundred eighty".