116663689728 has 480 divisors, whose sum is σ = 377526479616. Its totient is φ = 34490548224.

The previous prime is 116663689691. The next prime is 116663689733. The reversal of 116663689728 is 827986366611.

It is a super-2 number, since 2×116663689728² (a number of 23 digits) contains 22 as substring.

Its product of digits (31352832) is a multiple of the sum of its prime factors (1024).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131525701 + ... + 131526587.

Almost surely, 2^116663689728 is an apocalyptic number.

116663689728 is a gapful number since it is divisible by the number (18) 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 116663689728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188763239808).

116663689728 is an abundant number, since it is smaller than the sum of its proper divisors (260862789888).

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

116663689728 is a wasteful number, since it uses less digits than its factorization.

116663689728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1005 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 116663689728 in words is "one hundred sixteen billion, six hundred sixty-three million, six hundred eighty-nine thousand, seven hundred twenty-eight".