1657130464 has 24 divisors (see below), whose sum is σ = 3559065048. Its totient is φ = 753240960.

The previous prime is 1657130399. The next prime is 1657130549. The reversal of 1657130464 is 4640317561.

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, 2353527 + ... + 2354230.

It is an arithmetic number, because the mean of its divisors is an integer number (148294377).

Almost surely, 2^1657130464 is an apocalyptic number.

It is an amenable number.

1657130464 is an abundant number, since it is smaller than the sum of its proper divisors (1901934584).

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

1657130464 is a wasteful number, since it uses less digits than its factorization.

1657130464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707778 (or 4707770 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1657130464 is about 40707.8673477253. The cubic root of 1657130464 is about 1183.3654912286.

The spelling of 1657130464 in words is "one billion, six hundred fifty-seven million, one hundred thirty thousand, four hundred sixty-four".