16464656 has 30 divisors (see below), whose sum is σ = 34548570. Its totient is φ = 7597824.

The previous prime is 16464641. The next prime is 16464673. The reversal of 16464656 is 65646461.

It can be written as a sum of positive squares in 3 ways, for example, as 336400 + 16128256 = 580^2 + 4016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (1151619).

Almost surely, 2^16464656 is an apocalyptic number.

16464656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16464656 is an abundant number, since it is smaller than the sum of its proper divisors (18083914).

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

16464656 is a wasteful number, since it uses less digits than its factorization.

16464656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123 (or 6104 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 16464656 is about 4057.6663243791. Note that the first 3 decimals coincide. The cubic root of 16464656 is about 254.4002617246.

The spelling of 16464656 in words is "sixteen million, four hundred sixty-four thousand, six hundred fifty-six".