2351520664 has 16 divisors (see below), whose sum is σ = 4409919000. Its totient is φ = 1175542272.

The previous prime is 2351520653. The next prime is 2351520701. The reversal of 2351520664 is 4660251532.

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, 24312 + ... + 72760.

Almost surely, 2^2351520664 is an apocalyptic number.

It is an amenable number.

2351520664 is a deficient number, since it is larger than the sum of its proper divisors (2058398336).

2351520664 is a wasteful number, since it uses less digits than its factorization.

2351520664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54522 (or 54518 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2351520664 is about 48492.4804892470. The cubic root of 2351520664 is about 1329.7896032157.

The spelling of 2351520664 in words is "two billion, three hundred fifty-one million, five hundred twenty thousand, six hundred sixty-four".