1396600664 has 16 divisors (see below), whose sum is σ = 2732479920. Its totient is φ = 667939360.

The previous prime is 1396600657. The next prime is 1396600717. The reversal of 1396600664 is 4660066931.

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, 3794927 + ... + 3795294.

It is an arithmetic number, because the mean of its divisors is an integer number (170779995).

Almost surely, 2^1396600664 is an apocalyptic number.

It is an amenable number.

1396600664 is a deficient number, since it is larger than the sum of its proper divisors (1335879256).

1396600664 is a wasteful number, since it uses less digits than its factorization.

1396600664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590250 (or 7590246 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 1396600664 is about 37371.1207217552. The cubic root of 1396600664 is about 1117.7827797938.

The spelling of 1396600664 in words is "one billion, three hundred ninety-six million, six hundred thousand, six hundred sixty-four".