1655009992 has 16 divisors (see below), whose sum is σ = 3116131200. Its totient is φ = 824041680.

The previous prime is 1655009987. The next prime is 1655010017. The reversal of 1655009992 is 2999005561.

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, 430884 + ... + 434707.

It is an arithmetic number, because the mean of its divisors is an integer number (194758200).

Almost surely, 2^1655009992 is an apocalyptic number.

It is an amenable number.

1655009992 is a deficient number, since it is larger than the sum of its proper divisors (1461121208).

1655009992 is a wasteful number, since it uses less digits than its factorization.

1655009992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865836 (or 865832 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 1655009992 is about 40681.8140205178. The cubic root of 1655009992 is about 1182.8605290853.

The spelling of 1655009992 in words is "one billion, six hundred fifty-five million, nine thousand, nine hundred ninety-two".