2163978360036 has 48 divisors (see below), whose sum is σ = 5940332758080. Its totient is φ = 678895171200.

The previous prime is 2163978359953. The next prime is 2163978360059. The reversal of 2163978360036 is 6300638793612.

2163978360036 is a `hidden beast` number, since 2 + 163 + 97 + 8 + 360 + 0 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 589316890 + ... + 589320561.

It is an arithmetic number, because the mean of its divisors is an integer number (123756932460).

Almost surely, 2^{2163978360036} is an apocalyptic number.

It is an amenable number.

2163978360036 is an abundant number, since it is smaller than the sum of its proper divisors (3776354398044).

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

2163978360036 is a wasteful number, since it uses less digits than its factorization.

2163978360036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178637481 (or 1178637473 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 2163978360036 in words is "two trillion, one hundred sixty-three billion, nine hundred seventy-eight million, three hundred sixty thousand, thirty-six".