116665431 has 8 divisors (see below), whose sum is σ = 160571904. Its totient is φ = 75267960.

The previous prime is 116665427. The next prime is 116665447. The reversal of 116665431 is 134566611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116665431 - 2² = 116665427 is a prime.

It is a super-2 number, since 2×116665431² = 27221645580831522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116665392 and 116665401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116665411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627141 + ... + 627326.

It is an arithmetic number, because the mean of its divisors is an integer number (20071488).

Almost surely, 2^116665431 is an apocalyptic number.

116665431 is a deficient number, since it is larger than the sum of its proper divisors (43906473).

116665431 is a wasteful number, since it uses less digits than its factorization.

116665431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254501.

The product of its digits is 12960, while the sum is 33.

The square root of 116665431 is about 10801.1772969431. The cubic root of 116665431 is about 488.6306778483.

The spelling of 116665431 in words is "one hundred sixteen million, six hundred sixty-five thousand, four hundred thirty-one".