16556116304 has 40 divisors (see below), whose sum is σ = 39479973120. Its totient is φ = 6549671808.

The previous prime is 16556116303. The next prime is 16556116351. The reversal of 16556116304 is 40361165561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556116303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684024 + ... + 5686935.

It is an arithmetic number, because the mean of its divisors is an integer number (986999328).

Almost surely, 2^16556116304 is an apocalyptic number.

16556116304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16556116304 is an abundant number, since it is smaller than the sum of its proper divisors (22923856816).

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

16556116304 is a wasteful number, since it uses less digits than its factorization.

16556116304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11370987 (or 11370981 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 16556116304 in words is "sixteen billion, five hundred fifty-six million, one hundred sixteen thousand, three hundred four".