56690591606 has 24 divisors (see below), whose sum is σ = 93613922640. Its totient is φ = 25728552080.

The previous prime is 56690591549. The next prime is 56690591641. The reversal of 56690591606 is 60619509665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24461 + ... + 337608.

It is an arithmetic number, because the mean of its divisors is an integer number (3900580110).

Almost surely, 2^56690591606 is an apocalyptic number.

56690591606 is a deficient number, since it is larger than the sum of its proper divisors (36923331034).

56690591606 is a wasteful number, since it uses less digits than its factorization.

56690591606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362740 (or 362729 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 56690591606 in words is "fifty-six billion, six hundred ninety million, five hundred ninety-one thousand, six hundred six".