116518946661 has 64 divisors (see below), whose sum is σ = 186982871040. Its totient is φ = 71287128000.

The previous prime is 116518946653. The next prime is 116518946683. The reversal of 116518946661 is 166649815611.

It is not a de Polignac number, because 116518946661 - 2³ = 116518946653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116518946598 and 116518946607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116518946161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72506320 + ... + 72507926.

It is an arithmetic number, because the mean of its divisors is an integer number (2921607360).

Almost surely, 2^116518946661 is an apocalyptic number.

It is an amenable number.

116518946661 is a deficient number, since it is larger than the sum of its proper divisors (70463924379).

116518946661 is a wasteful number, since it uses less digits than its factorization.

116518946661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703 (or 2697 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 116518946661 in words is "one hundred sixteen billion, five hundred eighteen million, nine hundred forty-six thousand, six hundred sixty-one".