61655248179 has 36 divisors (see below), whose sum is σ = 103700015640. Its totient is φ = 35196739200.

The previous prime is 61655248091. The next prime is 61655248217. The reversal of 61655248179 is 97184255616.

It is a happy number.

61655248179 is a `hidden beast` number, since 6 + 1 + 6 + 552 + 4 + 81 + 7 + 9 = 666.

It is not a de Polignac number, because 61655248179 - 2⁸ = 61655247923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61655248279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 380779 + ... + 517979.

It is an arithmetic number, because the mean of its divisors is an integer number (2880555990).

Almost surely, 2^61655248179 is an apocalyptic number.

61655248179 is a deficient number, since it is larger than the sum of its proper divisors (42044767461).

61655248179 is a wasteful number, since it uses less digits than its factorization.

61655248179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138240 (or 138230 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 61655248179 in words is "sixty-one billion, six hundred fifty-five million, two hundred forty-eight thousand, one hundred seventy-nine".