61926688116 has 72 divisors (see below), whose sum is σ = 157796466464. Its totient is φ = 20476618560.

The previous prime is 61926688111. The next prime is 61926688129. The reversal of 61926688116 is 61188662916.

61926688116 is a `hidden beast` number, since 619 + 2 + 6 + 6 + 8 + 8 + 1 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61926688111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3164835 + ... + 3184341.

Almost surely, 2^61926688116 is an apocalyptic number.

It is an amenable number.

61926688116 is an abundant number, since it is smaller than the sum of its proper divisors (95869778348).

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

61926688116 is a wasteful number, since it uses less digits than its factorization.

61926688116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221 (or 20216 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The spelling of 61926688116 in words is "sixty-one billion, nine hundred twenty-six million, six hundred eighty-eight thousand, one hundred sixteen".