116656635640 has 16 divisors (see below), whose sum is σ = 262477430280. Its totient is φ = 46662654240.

The previous prime is 116656635637. The next prime is 116656635659. The reversal of 116656635640 is 46536656611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458207906 + ... + 1458207985.

Almost surely, 2^116656635640 is an apocalyptic number.

116656635640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116656635640 is an abundant number, since it is smaller than the sum of its proper divisors (145820794640).

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

116656635640 is a wasteful number, since it uses less digits than its factorization.

116656635640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916415902 (or 2916415898 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 116656635640 in words is "one hundred sixteen billion, six hundred fifty-six million, six hundred thirty-five thousand, six hundred forty".