116220258 has 150 divisors (see below), whose sum is σ = 333228555. Its totient is φ = 30187080.

The previous prime is 116220257. The next prime is 116220289. The reversal of 116220258 is 852022611.

It is a happy number.

116220258 is a `hidden beast` number, since 11 + 622 + 0 + 25 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58110129 + 58110129 = 7623^2 + 7623^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7623.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116220257) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 10565473 + ... + 10565483.

Almost surely, 2^116220258 is an apocalyptic number.

116220258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116220258

116220258 is an abundant number, since it is smaller than the sum of its proper divisors (217008297).

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

116220258 is an frugal number, since it uses more digits than its factorization.

116220258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 116220258 is about 10780.5499859701. The cubic root of 116220258 is about 488.0083785402.

Adding to 116220258 its reverse (852022611), we get a palindrome (968242869).

The spelling of 116220258 in words is "one hundred sixteen million, two hundred twenty thousand, two hundred fifty-eight".