16490416 has 20 divisors (see below), whose sum is σ = 32187672. Its totient is φ = 8183936.

The previous prime is 16490413. The next prime is 16490417. The reversal of 16490416 is 61409461.

It is not an unprimeable number, because it can be changed into a prime (16490413) 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, 1570 + ... + 5953.

Almost surely, 2^16490416 is an apocalyptic number.

16490416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16490416 is a deficient number, since it is larger than the sum of its proper divisors (15697256).

16490416 is a wasteful number, since it uses less digits than its factorization.

16490416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668 (or 7662 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16490416 is about 4060.8393221106. The cubic root of 16490416 is about 254.5328677140.

Adding to 16490416 its reverse (61409461), we get a palindrome (77899877).

The spelling of 16490416 in words is "sixteen million, four hundred ninety thousand, four hundred sixteen".