1655672130 has 64 divisors (see below), whose sum is σ = 5045863680. Its totient is φ = 378438912.

The previous prime is 1655672111. The next prime is 1655672153. The reversal of 1655672130 is 312765561.

1655672130 is a `hidden beast` number, since 1 + 6 + 556 + 72 + 1 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436119 + ... + 439898.

It is an arithmetic number, because the mean of its divisors is an integer number (78841620).

Almost surely, 2^1655672130 is an apocalyptic number.

1655672130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1655672130 is an abundant number, since it is smaller than the sum of its proper divisors (3390191550).

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

1655672130 is a wasteful number, since it uses less digits than its factorization.

1655672130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876040 (or 876034 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1655672130 is about 40689.9512164859. The cubic root of 1655672130 is about 1183.0182547147.

The spelling of 1655672130 in words is "one billion, six hundred fifty-five million, six hundred seventy-two thousand, one hundred thirty".