916135812 has 48 divisors (see below), whose sum is σ = 2430415680. Its totient is φ = 298275264.

The previous prime is 916135757. The next prime is 916135841. The reversal of 916135812 is 218531619.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93993 + ... + 103280.

It is an arithmetic number, because the mean of its divisors is an integer number (50633660).

Almost surely, 2^916135812 is an apocalyptic number.

It is an amenable number.

916135812 is an abundant number, since it is smaller than the sum of its proper divisors (1514279868).

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

916135812 is a wasteful number, since it uses less digits than its factorization.

916135812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197329 (or 197321 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 916135812 is about 30267.7354950779. The cubic root of 916135812 is about 971.2252246926.

The spelling of 916135812 in words is "nine hundred sixteen million, one hundred thirty-five thousand, eight hundred twelve".