16264664 has 32 divisors (see below), whose sum is σ = 33615120. Its totient is φ = 7330176.

The previous prime is 16264649. The next prime is 16264673. The reversal of 16264664 is 46646261.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 6290.

Almost surely, 2^16264664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16264664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16807560).

16264664 is an abundant number, since it is smaller than the sum of its proper divisors (17350456).

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

16264664 is a wasteful number, since it uses less digits than its factorization.

16264664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 16264664 is about 4032.9473093508. The cubic root of 16264664 is about 253.3660176359.

The spelling of 16264664 in words is "sixteen million, two hundred sixty-four thousand, six hundred sixty-four".