16916016 has 40 divisors (see below), whose sum is σ = 47062960. Its totient is φ = 5204736.

The previous prime is 16915991. The next prime is 16916021. The reversal of 16916016 is 61061961.

It is a happy 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, 12931 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (1176574).

Almost surely, 2^16916016 is an apocalyptic number.

16916016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16916016 is an abundant number, since it is smaller than the sum of its proper divisors (30146944).

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

16916016 is a wasteful number, since it uses less digits than its factorization.

16916016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27133 (or 27127 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 16916016 is about 4112.9084599587. The cubic root of 16916016 is about 256.7040353380.

Adding to 16916016 its reverse (61061961), we get a palindrome (77977977).

The spelling of 16916016 in words is "sixteen million, nine hundred sixteen thousand, sixteen".