56672105386 has 48 divisors (see below), whose sum is σ = 101330485704. Its totient is φ = 23547313152.

The previous prime is 56672105383. The next prime is 56672105387. The reversal of 56672105386 is 68350127665.

It can be written as a sum of positive squares in 4 ways, for example, as 55849505625 + 822599761 = 236325^2 + 28681^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56672105383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112630 + ... + 355006.

Almost surely, 2^56672105386 is an apocalyptic number.

56672105386 is a deficient number, since it is larger than the sum of its proper divisors (44658380318).

56672105386 is a wasteful number, since it uses less digits than its factorization.

56672105386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242455 (or 242432 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 56672105386 in words is "fifty-six billion, six hundred seventy-two million, one hundred five thousand, three hundred eighty-six".