116639112 has 64 divisors (see below), whose sum is σ = 302837760. Its totient is φ = 37396800.

The previous prime is 116639111. The next prime is 116639113. The reversal of 116639112 is 211936611.

It is an interprime number because it is at equal distance from previous prime (116639111) and next prime (116639113).

It is a self number, because there is not a number n which added to its sum of digits gives 116639112.

It is not an unprimeable number, because it can be changed into a prime (116639111) 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, 156613 + ... + 157355.

It is an arithmetic number, because the mean of its divisors is an integer number (4731840).

Almost surely, 2^116639112 is an apocalyptic number.

116639112 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 116639112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151418880).

116639112 is an abundant number, since it is smaller than the sum of its proper divisors (186198648).

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

116639112 is a wasteful number, since it uses less digits than its factorization.

116639112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 116639112 is about 10799.9588888106. The cubic root of 116639112 is about 488.5939310648.

The spelling of 116639112 in words is "one hundred sixteen million, six hundred thirty-nine thousand, one hundred twelve".