116656101561 has 8 divisors (see below), whose sum is σ = 163727861920. Its totient is φ = 73677537792.

The previous prime is 116656101547. The next prime is 116656101563. The reversal of 116656101561 is 165101656611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116656101561 - 2⁷ = 116656101433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116656101563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023299080 + ... + 1023299193.

It is an arithmetic number, because the mean of its divisors is an integer number (20465982740).

Almost surely, 2^116656101561 is an apocalyptic number.

It is an amenable number.

116656101561 is a deficient number, since it is larger than the sum of its proper divisors (47071760359).

116656101561 is a wasteful number, since it uses less digits than its factorization.

116656101561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046598295.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 116656101561 in words is "one hundred sixteen billion, six hundred fifty-six million, one hundred one thousand, five hundred sixty-one".