16631492 has 12 divisors (see below), whose sum is σ = 29136576. Its totient is φ = 8306760.

The previous prime is 16631449. The next prime is 16631501. The reversal of 16631492 is 29413661.

It is a super-2 number, since 2×16631492² = 553213052292128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (2428048).

Almost surely, 2^16631492 is an apocalyptic number.

It is an amenable number.

16631492 is a deficient number, since it is larger than the sum of its proper divisors (12505084).

16631492 is a wasteful number, since it uses less digits than its factorization.

16631492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4496 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 16631492 is about 4078.1726299901. The cubic root of 16631492 is about 255.2566530409.

The spelling of 16631492 in words is "sixteen million, six hundred thirty-one thousand, four hundred ninety-two".