116581069 has 4 divisors (see below), whose sum is σ = 127179360. Its totient is φ = 105982780.

The previous prime is 116581063. The next prime is 116581123. The reversal of 116581069 is 960185611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116581069 - 2³ = 116581061 is a prime.

It is a super-2 number, since 2×116581069² = 27182291298365522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116581061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5299129 + ... + 5299150.

It is an arithmetic number, because the mean of its divisors is an integer number (31794840).

Almost surely, 2^116581069 is an apocalyptic number.

It is an amenable number.

116581069 is a deficient number, since it is larger than the sum of its proper divisors (10598291).

116581069 is a wasteful number, since it uses less digits than its factorization.

116581069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598290.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 116581069 is about 10797.2713682671. The cubic root of 116581069 is about 488.5128714542.

It can be divided in two parts, 116 and 581069, that added together give a palindrome (581185).

The spelling of 116581069 in words is "one hundred sixteen million, five hundred eighty-one thousand, sixty-nine".