116852581 has 16 divisors (see below), whose sum is σ = 124692480. Its totient is φ = 109272240.

The previous prime is 116852579. The next prime is 116852587. The reversal of 116852581 is 185258611.

It is a cyclic number.

It is not a de Polignac number, because 116852581 - 2¹ = 116852579 is a prime.

It is a super-2 number, since 2×116852581² = 27309051372723122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116852581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116852587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265960 + ... + 266398.

It is an arithmetic number, because the mean of its divisors is an integer number (7793280).

Almost surely, 2^116852581 is an apocalyptic number.

It is an amenable number.

116852581 is a deficient number, since it is larger than the sum of its proper divisors (7839899).

116852581 is a wasteful number, since it uses less digits than its factorization.

116852581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 19200, while the sum is 37.

The square root of 116852581 is about 10809.8372328172. The cubic root of 116852581 is about 488.8918188319.

The spelling of 116852581 in words is "one hundred sixteen million, eight hundred fifty-two thousand, five hundred eighty-one".