61164232175 has 12 divisors (see below), whose sum is σ = 76282055880. Its totient is φ = 48648541920.

The previous prime is 61164232163. The next prime is 61164232177. The reversal of 61164232175 is 57123246116.

It is not a de Polignac number, because 61164232175 - 2²² = 61160037871 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61164232177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7066685 + ... + 7075334.

It is an arithmetic number, because the mean of its divisors is an integer number (6356837990).

Almost surely, 2^61164232175 is an apocalyptic number.

61164232175 is a deficient number, since it is larger than the sum of its proper divisors (15117823705).

61164232175 is a wasteful number, since it uses less digits than its factorization.

61164232175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142202 (or 14142197 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The spelling of 61164232175 in words is "sixty-one billion, one hundred sixty-four million, two hundred thirty-two thousand, one hundred seventy-five".