16004100680 has 32 divisors (see below), whose sum is σ = 36033674040. Its totient is φ = 6397294080.

The previous prime is 16004100677. The next prime is 16004100701. The reversal of 16004100680 is 8600140061.

It can be written as a sum of positive squares in 4 ways, for example, as 7488133156 + 8515967524 = 86534^2 + 92282^2 .

It is a super-2 number, since 2×16004100680² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75839 + ... + 194318.

Almost surely, 2^16004100680 is an apocalyptic number.

16004100680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16004100680 is an abundant number, since it is smaller than the sum of its proper divisors (20029573360).

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

16004100680 is a wasteful number, since it uses less digits than its factorization.

16004100680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271649 (or 271645 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 16004100680 in words is "sixteen billion, four million, one hundred thousand, six hundred eighty".