1656460332 has 18 divisors (see below), whose sum is σ = 4187163708. Its totient is φ = 552153432.

The previous prime is 1656460327. The next prime is 1656460343. The reversal of 1656460332 is 2330646561.

1656460332 is a `hidden beast` number, since 1 + 6 + 5 + 646 + 0 + 3 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 46012787 = 1656460332 / (1 + 6 + 5 + 6 + 4 + 6 + 0 + 3 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23006358 + ... + 23006429.

It is an arithmetic number, because the mean of its divisors is an integer number (232620206).

Almost surely, 2^1656460332 is an apocalyptic number.

1656460332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656460332 is an abundant number, since it is smaller than the sum of its proper divisors (2530703376).

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

1656460332 is a wasteful number, since it uses less digits than its factorization.

1656460332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46012797 (or 46012792 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1656460332 is about 40699.6355266236. The cubic root of 1656460332 is about 1183.2059548049.

The spelling of 1656460332 in words is "one billion, six hundred fifty-six million, four hundred sixty thousand, three hundred thirty-two".