116666590 has 16 divisors (see below), whose sum is σ = 210152880. Its totient is φ = 46632640.

The previous prime is 116666581. The next prime is 116666617. The reversal of 116666590 is 95666611.

It is a super-2 number, since 2×116666590² = 27222186444456200, 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 7 ways as a sum of consecutive naturals, for example, 13821 + ... + 20599.

It is an arithmetic number, because the mean of its divisors is an integer number (13134555).

Almost surely, 2^116666590 is an apocalyptic number.

116666590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116666590 is a deficient number, since it is larger than the sum of its proper divisors (93486290).

116666590 is a wasteful number, since it uses less digits than its factorization.

116666590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 116666590 is about 10801.2309483688. The cubic root of 116666590 is about 488.6322959256.

The spelling of 116666590 in words is "one hundred sixteen million, six hundred sixty-six thousand, five hundred ninety".