61396156192 has 48 divisors (see below), whose sum is σ = 139408758720. Its totient is φ = 26071227648.

The previous prime is 61396156189. The next prime is 61396156249. The reversal of 61396156192 is 29165169316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232878 + ... + 1281709.

It is an arithmetic number, because the mean of its divisors is an integer number (2904349140).

Almost surely, 2^61396156192 is an apocalyptic number.

It is an amenable number.

61396156192 is an abundant number, since it is smaller than the sum of its proper divisors (78012602528).

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

61396156192 is a wasteful number, since it uses less digits than its factorization.

61396156192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514713 (or 2514705 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The spelling of 61396156192 in words is "sixty-one billion, three hundred ninety-six million, one hundred fifty-six thousand, one hundred ninety-two".