116563220 has 24 divisors (see below), whose sum is σ = 259182504. Its totient is φ = 43882496.

The previous prime is 116563219. The next prime is 116563231. The reversal of 116563220 is 22365611.

It can be written as a sum of positive squares in 4 ways, for example, as 3055504 + 113507716 = 1748^2 + 10654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 116563220.

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, 171077 + ... + 171756.

It is an arithmetic number, because the mean of its divisors is an integer number (10799271).

Almost surely, 2^116563220 is an apocalyptic number.

116563220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116563220 is an abundant number, since it is smaller than the sum of its proper divisors (142619284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116563220 is a wasteful number, since it uses less digits than its factorization.

116563220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342859 (or 342857 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 116563220 is about 10796.4447852059. Note that the first 3 decimals coincide. The cubic root of 116563220 is about 488.4879391292.

The spelling of 116563220 in words is "one hundred sixteen million, five hundred sixty-three thousand, two hundred twenty".