961116912 has 120 divisors (see below), whose sum is σ = 3139608576. Its totient is φ = 268748928.

The previous prime is 961116887. The next prime is 961116941. The reversal of 961116912 is 219611169.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37233 + ... + 57519.

Almost surely, 2^961116912 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 961116912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569804288).

961116912 is an abundant number, since it is smaller than the sum of its proper divisors (2178491664).

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

961116912 is a wasteful number, since it uses less digits than its factorization.

961116912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20355 (or 20346 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 961116912 is about 31001.8856200716. The cubic root of 961116912 is about 986.8672567173.

The spelling of 961116912 in words is "nine hundred sixty-one million, one hundred sixteen thousand, nine hundred twelve".