56610408406 has 16 divisors (see below), whose sum is σ = 87226607520. Its totient is φ = 27535152960.

The previous prime is 56610408383. The next prime is 56610408419. The reversal of 56610408406 is 60480401665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353751 + ... + 488221.

It is an arithmetic number, because the mean of its divisors is an integer number (5451662970).

Almost surely, 2^56610408406 is an apocalyptic number.

56610408406 is a deficient number, since it is larger than the sum of its proper divisors (30616199114).

56610408406 is a wasteful number, since it uses less digits than its factorization.

56610408406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140199.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 56610408406 in words is "fifty-six billion, six hundred ten million, four hundred eight thousand, four hundred six".