116265621 has 16 divisors (see below), whose sum is σ = 162846720. Its totient is φ = 73642800.

The previous prime is 116265619. The next prime is 116265631. The reversal of 116265621 is 126562611.

It is not a de Polignac number, because 116265621 - 2¹ = 116265619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116265631) 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, 4840 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (10177920).

Almost surely, 2^116265621 is an apocalyptic number.

It is an amenable number.

116265621 is a deficient number, since it is larger than the sum of its proper divisors (46581099).

116265621 is a wasteful number, since it uses less digits than its factorization.

116265621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336.

The product of its digits is 4320, while the sum is 30.

The square root of 116265621 is about 10782.6537086192. The cubic root of 116265621 is about 488.0718632971.

It can be divided in two parts, 116265 and 621, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 116265621 in words is "one hundred sixteen million, two hundred sixty-five thousand, six hundred twenty-one".