116938665520 has 80 divisors (see below), whose sum is σ = 276791346720. Its totient is φ = 45932644352.

The previous prime is 116938665517. The next prime is 116938665521. The reversal of 116938665520 is 25566839611.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (116938665521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485162 + ... + 4511158.

It is an arithmetic number, because the mean of its divisors is an integer number (3459891834).

Almost surely, 2^116938665520 is an apocalyptic number.

116938665520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116938665520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138395673360).

116938665520 is an abundant number, since it is smaller than the sum of its proper divisors (159852681200).

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

116938665520 is a wasteful number, since it uses less digits than its factorization.

116938665520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022 (or 27016 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 116938665520 in words is "one hundred sixteen billion, nine hundred thirty-eight million, six hundred sixty-five thousand, five hundred twenty".