5161375344636 has 72 divisors (see below), whose sum is σ = 15017910776960. Its totient is φ = 1464069460896.

The previous prime is 5161375344583. The next prime is 5161375344641. The reversal of 5161375344636 is 6364435731615.

5161375344636 is a `hidden beast` number, since 5 + 1 + 6 + 1 + 37 + 534 + 46 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73639966 + ... + 73710021.

Almost surely, 2^{5161375344636} is an apocalyptic number.

It is an amenable number.

5161375344636 is an abundant number, since it is smaller than the sum of its proper divisors (9856535432324).

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

5161375344636 is a wasteful number, since it uses less digits than its factorization.

5161375344636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147350143 (or 147350138 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 5161375344636 in words is "five trillion, one hundred sixty-one billion, three hundred seventy-five million, three hundred forty-four thousand, six hundred thirty-six".