61232371165 has 16 divisors (see below), whose sum is σ = 85126180608. Its totient is φ = 41412733056.

The previous prime is 61232371159. The next prime is 61232371177. The reversal of 61232371165 is 56117323216.

It is a cyclic number.

It is not a de Polignac number, because 61232371165 - 2²¹ = 61230274013 is a prime.

It is a congruent number.

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, 11980297 + ... + 11985406.

It is an arithmetic number, because the mean of its divisors is an integer number (5320386288).

Almost surely, 2^61232371165 is an apocalyptic number.

It is an amenable number.

61232371165 is a deficient number, since it is larger than the sum of its proper divisors (23893809443).

61232371165 is a wasteful number, since it uses less digits than its factorization.

61232371165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965788.

The product of its digits is 45360, while the sum is 37.

The spelling of 61232371165 in words is "sixty-one billion, two hundred thirty-two million, three hundred seventy-one thousand, one hundred sixty-five".