56162066544 has 60 divisors (see below), whose sum is σ = 157712338056. Its totient is φ = 18656781696.

The previous prime is 56162066509. The next prime is 56162066557. The reversal of 56162066544 is 44566026165.

56162066544 is a `hidden beast` number, since 5 + 616 + 20 + 6 + 6 + 5 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56162066544.

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 11 ways as a sum of consecutive naturals, for example, 623362 + ... + 707745.

Almost surely, 2^56162066544 is an apocalyptic number.

It is an amenable number.

56162066544 is an abundant number, since it is smaller than the sum of its proper divisors (101550271512).

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

56162066544 is a wasteful number, since it uses less digits than its factorization.

56162066544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331414 (or 1331405 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 56162066544 in words is "fifty-six billion, one hundred sixty-two million, sixty-six thousand, five hundred forty-four".