968221512 has 160 divisors (see below), whose sum is σ = 2826405120. Its totient is φ = 309329280.

The previous prime is 968221487. The next prime is 968221523. The reversal of 968221512 is 215122869.

It is a super-2 number, since 2×968221512² = 1874905792599132288, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3153663 + ... + 3153969.

It is an arithmetic number, because the mean of its divisors is an integer number (17665032).

Almost surely, 2^968221512 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 968221512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413202560).

968221512 is an abundant number, since it is smaller than the sum of its proper divisors (1858183608).

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

968221512 is a wasteful number, since it uses less digits than its factorization.

968221512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 500 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 968221512 is about 31116.2580012443. The cubic root of 968221512 is about 989.2929386608.

The spelling of 968221512 in words is "nine hundred sixty-eight million, two hundred twenty-one thousand, five hundred twelve".