16490512 has 20 divisors (see below), whose sum is σ = 32982016. Its totient is φ = 7979040.

The previous prime is 16490497. The next prime is 16490549. The reversal of 16490512 is 21509461.

16490512 is an admirable number.

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, 16128 + ... + 17119.

Almost surely, 2^16490512 is an apocalyptic number.

It is an amenable number.

16490512 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16490512 is a wasteful number, since it uses less digits than its factorization.

16490512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33286 (or 33280 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 16490512 is about 4060.8511423099. The cubic root of 16490512 is about 254.5333616395.

Adding to 16490512 its reverse (21509461), we get a palindrome (37999973).

The spelling of 16490512 in words is "sixteen million, four hundred ninety thousand, five hundred twelve".