16831755880 has 16 divisors (see below), whose sum is σ = 37871450820. Its totient is φ = 6732702336.

The previous prime is 16831755859. The next prime is 16831755887. The reversal of 16831755880 is 8855713861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16782166116 + 49589764 = 129546^2 + 7042^2 .

It is not an unprimeable number, because it can be changed into a prime (16831755887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210396909 + ... + 210396988.

Almost surely, 2^16831755880 is an apocalyptic number.

16831755880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16831755880 is an abundant number, since it is smaller than the sum of its proper divisors (21039694940).

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

16831755880 is a wasteful number, since it uses less digits than its factorization.

16831755880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420793908 (or 420793904 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 16831755880 in words is "sixteen billion, eight hundred thirty-one million, seven hundred fifty-five thousand, eight hundred eighty".