116391590 has 16 divisors (see below), whose sum is σ = 239434272. Its totient is φ = 39905664.

The previous prime is 116391589. The next prime is 116391629. The reversal of 116391590 is 95193611.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 116391590.

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, 831299 + ... + 831438.

It is an arithmetic number, because the mean of its divisors is an integer number (14964642).

Almost surely, 2^116391590 is an apocalyptic number.

116391590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116391590 is an abundant number, since it is smaller than the sum of its proper divisors (123042682).

116391590 is a wasteful number, since it uses less digits than its factorization.

116391590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662751.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 116391590 is about 10788.4934073299. The cubic root of 116391590 is about 488.2480682463.

The spelling of 116391590 in words is "one hundred sixteen million, three hundred ninety-one thousand, five hundred ninety".