116665894 has 8 divisors (see below), whose sum is σ = 177610968. Its totient is φ = 57462240.

The previous prime is 116665889. The next prime is 116665919. The reversal of 116665894 is 498566611.

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

It is a super-2 number, since 2×116665894² = 27221861645638472, which contains 22 as substring.

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, 435187 + ... + 435454.

It is an arithmetic number, because the mean of its divisors is an integer number (22201371).

Almost surely, 2^116665894 is an apocalyptic number.

116665894 is a deficient number, since it is larger than the sum of its proper divisors (60945074).

116665894 is an equidigital number, since it uses as much as digits as its factorization.

116665894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870710.

The product of its digits is 311040, while the sum is 46.

The square root of 116665894 is about 10801.1987297707. The cubic root of 116665894 is about 488.6313242428.

The spelling of 116665894 in words is "one hundred sixteen million, six hundred sixty-five thousand, eight hundred ninety-four".