56146216016 has 20 divisors (see below), whose sum is σ = 118672684224. Its totient is φ = 25521007200.

The previous prime is 56146215953. The next prime is 56146216111. The reversal of 56146216016 is 61061264165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159506120 + ... + 159506471.

Almost surely, 2^56146216016 is an apocalyptic number.

It is an amenable number.

56146216016 is an abundant number, since it is smaller than the sum of its proper divisors (62526468208).

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

56146216016 is a wasteful number, since it uses less digits than its factorization.

56146216016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319012610 (or 319012604 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 56146216016 in words is "fifty-six billion, one hundred forty-six million, two hundred sixteen thousand, sixteen".