1516755664 has 20 divisors (see below), whose sum is σ = 2939410080. Its totient is φ = 758198240.

The previous prime is 1516755613. The next prime is 1516755671. The reversal of 1516755664 is 4665576151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81819 + ... + 98629.

It is an arithmetic number, because the mean of its divisors is an integer number (146970504).

Almost surely, 2^1516755664 is an apocalyptic number.

It is an amenable number.

1516755664 is a deficient number, since it is larger than the sum of its proper divisors (1422654416).

1516755664 is a wasteful number, since it uses less digits than its factorization.

1516755664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458 (or 22452 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The square root of 1516755664 is about 38945.5474220096. The cubic root of 1516755664 is about 1148.9607912484.

The spelling of 1516755664 in words is "one billion, five hundred sixteen million, seven hundred fifty-five thousand, six hundred sixty-four".