116431668 has 30 divisors (see below), whose sum is σ = 304376226. Its totient is φ = 38810448.

The previous prime is 116431663. The next prime is 116431703. The reversal of 116431668 is 866134611.

116431668 is a `hidden beast` number, since 1 + 1 + 643 + 1 + 6 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99440784 + 16990884 = 9972^2 + 4122^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116431663) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 179355 + ... + 180002.

Almost surely, 2^116431668 is an apocalyptic number.

116431668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116431668 is an abundant number, since it is smaller than the sum of its proper divisors (187944558).

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

116431668 is a wasteful number, since it uses less digits than its factorization.

116431668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359373 (or 359362 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 116431668 is about 10790.3506893891. The cubic root of 116431668 is about 488.3041025368.

The spelling of 116431668 in words is "one hundred sixteen million, four hundred thirty-one thousand, six hundred sixty-eight".