2102628664 has 16 divisors (see below), whose sum is σ = 3942915120. Its totient is φ = 1051184640.

The previous prime is 2102628653. The next prime is 2102628721. The reversal of 2102628664 is 4668262012.

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, 121429 + ... + 137659.

It is an arithmetic number, because the mean of its divisors is an integer number (246432195).

Almost surely, 2^2102628664 is an apocalyptic number.

It is an amenable number.

2102628664 is a deficient number, since it is larger than the sum of its proper divisors (1840286456).

2102628664 is a wasteful number, since it uses less digits than its factorization.

2102628664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32430 (or 32426 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2102628664 is about 45854.4290554359. The cubic root of 2102628664 is about 1281.1132616192.

The spelling of 2102628664 in words is "two billion, one hundred two million, six hundred twenty-eight thousand, six hundred sixty-four".