61317366102 has 24 divisors (see below), whose sum is σ = 134144144784. Its totient is φ = 20240683344.

The previous prime is 61317366053. The next prime is 61317366127. The reversal of 61317366102 is 20166371316.

61317366102 is a `hidden beast` number, since 6 + 1 + 3 + 1 + 7 + 36 + 610 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16534653 + ... + 16538360.

It is an arithmetic number, because the mean of its divisors is an integer number (5589339366).

Almost surely, 2^61317366102 is an apocalyptic number.

61317366102 is an abundant number, since it is smaller than the sum of its proper divisors (72826778682).

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

61317366102 is a wasteful number, since it uses less digits than its factorization.

61317366102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33073124 (or 33073121 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 61317366102 in words is "sixty-one billion, three hundred seventeen million, three hundred sixty-six thousand, one hundred two".