116665100 has 36 divisors (see below), whose sum is σ = 255691968. Its totient is φ = 46200000.

The previous prime is 116665097. The next prime is 116665147. The reversal of 116665100 is 1566611.

It is a super-2 number, since 2×116665100² = 27221491116020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116665100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4325 + ... + 15875.

Almost surely, 2^116665100 is an apocalyptic number.

116665100 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 116665100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127845984).

116665100 is an abundant number, since it is smaller than the sum of its proper divisors (139026868).

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

116665100 is a wasteful number, since it uses less digits than its factorization.

116665100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666 (or 11659 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 116665100 is about 10801.1619745285. The cubic root of 116665100 is about 488.6302157379.

It can be divided in two parts, 1166 and 65100, that added together give a palindrome (66266).

The spelling of 116665100 in words is "one hundred sixteen million, six hundred sixty-five thousand, one hundred".