116431565 has 8 divisors (see below), whose sum is σ = 140555520. Its totient is φ = 92586832.

The previous prime is 116431559. The next prime is 116431571. The reversal of 116431565 is 565134611.

It is an interprime number because it is at equal distance from previous prime (116431559) and next prime (116431571).

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

It is a cyclic number.

It is not a de Polignac number, because 116431565 - 2⁸ = 116431309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68885 + ... + 70554.

It is an arithmetic number, because the mean of its divisors is an integer number (17569440).

Almost surely, 2^116431565 is an apocalyptic number.

It is an amenable number.

116431565 is a deficient number, since it is larger than the sum of its proper divisors (24123955).

116431565 is a wasteful number, since it uses less digits than its factorization.

116431565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139611.

The product of its digits is 10800, while the sum is 32.

The square root of 116431565 is about 10790.3459166053. The cubic root of 116431565 is about 488.3039585458.

The spelling of 116431565 in words is "one hundred sixteen million, four hundred thirty-one thousand, five hundred sixty-five".