116645312 has 112 divisors (see below), whose sum is σ = 281683968. Its totient is φ = 46863360.

The previous prime is 116645299. The next prime is 116645323. The reversal of 116645312 is 213546611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×116645312² = 27212257623154688, which contains 22 as substring.

It is a congruent number.

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, 513743 + ... + 513969.

Almost surely, 2^116645312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116645312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140841984).

116645312 is an abundant number, since it is smaller than the sum of its proper divisors (165038656).

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

116645312 is a wasteful number, since it uses less digits than its factorization.

116645312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 304 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 116645312 is about 10800.2459231260. The cubic root of 116645312 is about 488.6025880486.

The spelling of 116645312 in words is "one hundred sixteen million, six hundred forty-five thousand, three hundred twelve".