36613734161 has 4 divisors (see below), whose sum is σ = 36669804852. Its totient is φ = 36557663472.

The previous prime is 36613734151. The next prime is 36613734167. The reversal of 36613734161 is 16143731663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16143731663 = 9349 ⋅1726787.

It can be written as a sum of positive squares in 2 ways, for example, as 15861891136 + 20751843025 = 125944^2 + 144055^2 .

It is a cyclic number.

It is not a de Polignac number, because 36613734161 - 2³⁴ = 19433864977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36613734167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28034366 + ... + 28035671.

It is an arithmetic number, because the mean of its divisors is an integer number (9167451213).

Almost surely, 2^36613734161 is an apocalyptic number.

It is an amenable number.

36613734161 is a deficient number, since it is larger than the sum of its proper divisors (56070691).

36613734161 is an equidigital number, since it uses as much as digits as its factorization.

36613734161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56070690.

The product of its digits is 163296, while the sum is 41.

The spelling of 36613734161 in words is "thirty-six billion, six hundred thirteen million, seven hundred thirty-four thousand, one hundred sixty-one".