1655805996 has 96 divisors (see below), whose sum is σ = 4866444800. Its totient is φ = 482656320.

The previous prime is 1655805961. The next prime is 1655806037. The reversal of 1655805996 is 6995085561.

1655805996 is a `hidden beast` number, since 1 + 6 + 5 + 580 + 59 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4360 + ... + 57711.

Almost surely, 2^1655805996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655805996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433222400).

1655805996 is an abundant number, since it is smaller than the sum of its proper divisors (3210638804).

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

1655805996 is a wasteful number, since it uses less digits than its factorization.

1655805996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62116 (or 62108 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 54.

The square root of 1655805996 is about 40691.5961348286. The cubic root of 1655805996 is about 1183.0501373665.

The spelling of 1655805996 in words is "one billion, six hundred fifty-five million, eight hundred five thousand, nine hundred ninety-six".