116665438 has 8 divisors (see below), whose sum is σ = 175166280. Its totient is φ = 58276680.

The previous prime is 116665427. The next prime is 116665447. The reversal of 116665438 is 834566611.

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

It is a super-2 number, since 2×116665438² = 27221648847463688, 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 116665438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25368 + ... + 29611.

It is an arithmetic number, because the mean of its divisors is an integer number (21895785).

Almost surely, 2^116665438 is an apocalyptic number.

116665438 is a deficient number, since it is larger than the sum of its proper divisors (58500842).

116665438 is a wasteful number, since it uses less digits than its factorization.

116665438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56042.

The product of its digits is 103680, while the sum is 40.

The square root of 116665438 is about 10801.1776209819. The cubic root of 116665438 is about 488.6306876210.

The spelling of 116665438 in words is "one hundred sixteen million, six hundred sixty-five thousand, four hundred thirty-eight".