116649810 has 24 divisors (see below), whose sum is σ = 303289740. Its totient is φ = 31106592.

The previous prime is 116649791. The next prime is 116649811. The reversal of 116649810 is 18946611.

It is a happy number.

116649810 is a `hidden beast` number, since 1 + 1 + 6 + 649 + 8 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 115541001 + 1108809 = 10749^2 + 1053^2 .

It is a super-2 number, since 2×116649810² = 27214356346072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116649811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647965 + ... + 648144.

Almost surely, 2^116649810 is an apocalyptic number.

116649810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116649810 is an abundant number, since it is smaller than the sum of its proper divisors (186639930).

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

116649810 is a wasteful number, since it uses less digits than its factorization.

116649810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296122 (or 1296119 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 116649810 is about 10800.4541571177. The cubic root of 116649810 is about 488.6088683587.

The spelling of 116649810 in words is "one hundred sixteen million, six hundred forty-nine thousand, eight hundred ten".