116981172 has 168 divisors, whose sum is σ = 383406912. Its totient is φ = 30326400.

The previous prime is 116981153. The next prime is 116981191. The reversal of 116981172 is 271189611.

It is an interprime number because it is at equal distance from previous prime (116981153) and next prime (116981191).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 224272 + ... + 224792.

It is an arithmetic number, because the mean of its divisors is an integer number (2282184).

Almost surely, 2^116981172 is an apocalyptic number.

116981172 is a gapful number since it is divisible by the number (12) 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 116981172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191703456).

116981172 is an abundant number, since it is smaller than the sum of its proper divisors (266425740).

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

116981172 is a wasteful number, since it uses less digits than its factorization.

116981172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 544 counting only the distinct ones).

The product of its digits is 6048, while the sum is 36.

The square root of 116981172 is about 10815.7834667674. The cubic root of 116981172 is about 489.0710875613.

The spelling of 116981172 in words is "one hundred sixteen million, nine hundred eighty-one thousand, one hundred seventy-two".