305216664 has 16 divisors (see below), whose sum is σ = 763041720. Its totient is φ = 101738880.

The previous prime is 305216621. The next prime is 305216671. The reversal of 305216664 is 466612503.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 6358657 + ... + 6358704.

Almost surely, 2^305216664 is an apocalyptic number.

It is an amenable number.

305216664 is an abundant number, since it is smaller than the sum of its proper divisors (457825056).

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

305216664 is a wasteful number, since it uses less digits than its factorization.

305216664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717370 (or 12717366 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 305216664 is about 17470.4511676144. The cubic root of 305216664 is about 673.2909036645.

The spelling of 305216664 in words is "three hundred five million, two hundred sixteen thousand, six hundred sixty-four".