1655005656 has 16 divisors (see below), whose sum is σ = 4137514200. Its totient is φ = 551668544.

The previous prime is 1655005643. The next prime is 1655005663. The reversal of 1655005656 is 6565005561.

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, 34479261 + ... + 34479308.

Almost surely, 2^1655005656 is an apocalyptic number.

It is an amenable number.

1655005656 is an abundant number, since it is smaller than the sum of its proper divisors (2482508544).

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

1655005656 is a wasteful number, since it uses less digits than its factorization.

1655005656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68958578 (or 68958574 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 1655005656 is about 40681.7607288573. The cubic root of 1655005656 is about 1182.8594960829.

The spelling of 1655005656 in words is "one billion, six hundred fifty-five million, five thousand, six hundred fifty-six".