116665854 has 16 divisors (see below), whose sum is σ = 233796240. Its totient is φ = 38811200.

The previous prime is 116665853. The next prime is 116665873. The reversal of 116665854 is 458566611.

It is a super-2 number, since 2×116665854² = 27221842979098632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116665853) 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, 16047 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (14612265).

Almost surely, 2^116665854 is an apocalyptic number.

116665854 is an abundant number, since it is smaller than the sum of its proper divisors (117130386).

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

116665854 is a wasteful number, since it uses less digits than its factorization.

116665854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38715.

The product of its digits is 172800, while the sum is 42.

The square root of 116665854 is about 10801.1968781242. The cubic root of 116665854 is about 488.6312683989.

The spelling of 116665854 in words is "one hundred sixteen million, six hundred sixty-five thousand, eight hundred fifty-four".