116264538 has 64 divisors (see below), whose sum is σ = 287884800. Its totient is φ = 34534080.

The previous prime is 116264531. The next prime is 116264543. The reversal of 116264538 is 835462611.

It is a happy number.

116264538 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 645 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (116264531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17503 + ... + 23213.

It is an arithmetic number, because the mean of its divisors is an integer number (4498200).

Almost surely, 2^116264538 is an apocalyptic number.

116264538 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 116264538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143942400).

116264538 is an abundant number, since it is smaller than the sum of its proper divisors (171620262).

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

116264538 is a wasteful number, since it uses less digits than its factorization.

116264538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764 (or 5758 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 116264538 is about 10782.6034889539. The cubic root of 116264538 is about 488.0703478492.

The spelling of 116264538 in words is "one hundred sixteen million, two hundred sixty-four thousand, five hundred thirty-eight".