16731774012 has 24 divisors (see below), whose sum is σ = 39054226176. Its totient is φ = 5575340848.

The previous prime is 16731773999. The next prime is 16731774113. The reversal of 16731774012 is 21047713761.

It is a super-2 number, since 2×16731774012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 203058 + ... + 273305.

It is an arithmetic number, because the mean of its divisors is an integer number (1627259424).

Almost surely, 2^16731774012 is an apocalyptic number.

16731774012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16731774012 is an abundant number, since it is smaller than the sum of its proper divisors (22322452164).

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

16731774012 is a wasteful number, since it uses less digits than its factorization.

16731774012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479297 (or 479295 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 16731774012 in words is "sixteen billion, seven hundred thirty-one million, seven hundred seventy-four thousand, twelve".