56161601046 has 64 divisors (see below), whose sum is σ = 125274240000. Its totient is φ = 18650069856.

The previous prime is 56161601029. The next prime is 56161601051. The reversal of 56161601046 is 64010616165.

It is a happy number.

56161601046 is a `hidden beast` number, since 5 + 6 + 1 + 6 + 1 + 601 + 0 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56161601046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23507220 + ... + 23509608.

It is an arithmetic number, because the mean of its divisors is an integer number (1957410000).

Almost surely, 2^56161601046 is an apocalyptic number.

56161601046 is an abundant number, since it is smaller than the sum of its proper divisors (69112638954).

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

56161601046 is a wasteful number, since it uses less digits than its factorization.

56161601046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 56161601046 in words is "fifty-six billion, one hundred sixty-one million, six hundred one thousand, forty-six".