116402265 has 80 divisors (see below), whose sum is σ = 251137920. Its totient is φ = 50388480.

The previous prime is 116402263. The next prime is 116402291. The reversal of 116402265 is 562204611.

116402265 is a `hidden beast` number, since 11 + 640 + 2 + 2 + 6 + 5 = 666.

It is not a de Polignac number, because 116402265 - 2¹ = 116402263 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116402261) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52785 + ... + 54945.

It is an arithmetic number, because the mean of its divisors is an integer number (3139224).

Almost surely, 2^116402265 is an apocalyptic number.

116402265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116402265 is an abundant number, since it is smaller than the sum of its proper divisors (134735655).

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

116402265 is a wasteful number, since it uses less digits than its factorization.

116402265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 116402265 is about 10788.9881360580. The cubic root of 116402265 is about 488.2629945503.

Adding to 116402265 its reverse (562204611), we get a palindrome (678606876).

The spelling of 116402265 in words is "one hundred sixteen million, four hundred two thousand, two hundred sixty-five".