2179161051804 has 36 divisors (see below), whose sum is σ = 6009201689400. Its totient is φ = 660351833760.

The previous prime is 2179161051763. The next prime is 2179161051811. The reversal of 2179161051804 is 4081501619712.

2179161051804 is a `hidden beast` number, since 2 + 1 + 79 + 1 + 61 + 0 + 518 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2179161051804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2751465579 + ... + 2751466370.

It is an arithmetic number, because the mean of its divisors is an integer number (166922269150).

Almost surely, 2^{2179161051804} is an apocalyptic number.

It is an amenable number.

2179161051804 is an abundant number, since it is smaller than the sum of its proper divisors (3830040637596).

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

2179161051804 is a wasteful number, since it uses less digits than its factorization.

2179161051804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502931970 (or 5502931965 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 2179161051804 in words is "two trillion, one hundred seventy-nine billion, one hundred sixty-one million, fifty-one thousand, eight hundred four".