16577251152 has 120 divisors (see below), whose sum is σ = 54345173472. Its totient is φ = 4305772800.

The previous prime is 16577251139. The next prime is 16577251189. The reversal of 16577251152 is 25115277561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 294499 + ... + 346242.

Almost surely, 2^16577251152 is an apocalyptic number.

16577251152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16577251152 is an abundant number, since it is smaller than the sum of its proper divisors (37767922320).

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

16577251152 is a wasteful number, since it uses less digits than its factorization.

16577251152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640777 (or 640764 counting only the distinct ones).

The product of its digits is 147000, while the sum is 42.

The spelling of 16577251152 in words is "sixteen billion, five hundred seventy-seven million, two hundred fifty-one thousand, one hundred fifty-two".