56146216620 has 48 divisors (see below), whose sum is σ = 169302440160. Its totient is φ = 13820606976.

The previous prime is 56146216579. The next prime is 56146216639. The reversal of 56146216620 is 2661264165.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35990385 + ... + 35991944.

It is an arithmetic number, because the mean of its divisors is an integer number (3527134170).

Almost surely, 2^56146216620 is an apocalyptic number.

It is an amenable number.

56146216620 is an abundant number, since it is smaller than the sum of its proper divisors (113156223540).

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

56146216620 is a wasteful number, since it uses less digits than its factorization.

56146216620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71982354 (or 71982352 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 56146216620 in words is "fifty-six billion, one hundred forty-six million, two hundred sixteen thousand, six hundred twenty".