16550372256 has 576 divisors, whose sum is σ = 54054604800. Its totient is φ = 4409856000.

The previous prime is 16550372231. The next prime is 16550372261. The reversal of 16550372256 is 65227305561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 280514755 + ... + 280514813.

It is an arithmetic number, because the mean of its divisors is an integer number (93844800).

Almost surely, 2^16550372256 is an apocalyptic number.

16550372256 is a gapful number since it is divisible by the number (16) 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 16550372256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27027302400).

16550372256 is an abundant number, since it is smaller than the sum of its proper divisors (37504232544).

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

16550372256 is a wasteful number, since it uses less digits than its factorization.

16550372256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 16550372256 in words is "sixteen billion, five hundred fifty million, three hundred seventy-two thousand, two hundred fifty-six".