116236621 has 4 divisors (see below), whose sum is σ = 116356572. Its totient is φ = 116116672.

The previous prime is 116236597. The next prime is 116236643. The reversal of 116236621 is 126632611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 46430596 = 8355^2 + 6814^2 .

It is a cyclic number.

It is not a de Polignac number, because 116236621 - 2²⁵ = 82682189 is a prime.

It is a super-2 number, since 2×116236621² = 27021904122995282, 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 116236621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116236651) 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, 58510 + ... + 60463.

It is an arithmetic number, because the mean of its divisors is an integer number (29089143).

Almost surely, 2^116236621 is an apocalyptic number.

It is an amenable number.

116236621 is a deficient number, since it is larger than the sum of its proper divisors (119951).

116236621 is an equidigital number, since it uses as much as digits as its factorization.

116236621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119950.

The product of its digits is 2592, while the sum is 28.

The square root of 116236621 is about 10781.3088723030. The cubic root of 116236621 is about 488.0312801883.

The spelling of 116236621 in words is "one hundred sixteen million, two hundred thirty-six thousand, six hundred twenty-one".