116656635656 has 16 divisors (see below), whose sum is σ = 238615845840. Its totient is φ = 53025743440.

The previous prime is 116656635637. The next prime is 116656635659. The reversal of 116656635656 is 656536656611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (116656635659) 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 3 ways as a sum of consecutive naturals, for example, 662821706 + ... + 662821881.

It is an arithmetic number, because the mean of its divisors is an integer number (14913490365).

Almost surely, 2^116656635656 is an apocalyptic number.

It is an amenable number.

116656635656 is an abundant number, since it is smaller than the sum of its proper divisors (121959210184).

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

116656635656 is a wasteful number, since it uses less digits than its factorization.

116656635656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325643604 (or 1325643600 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 56.

The spelling of 116656635656 in words is "one hundred sixteen billion, six hundred fifty-six million, six hundred thirty-five thousand, six hundred fifty-six".