961162591322 has 16 divisors (see below), whose sum is σ = 1443389711400. Its totient is φ = 480032861952.

The previous prime is 961162591297. The next prime is 961162591339. The reversal of 961162591322 is 223195261169.

It is a Cunningham number, because it is equal to 980389²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 871719128281 + 89443463041 = 933659^2 + 299071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11903678 + ... + 11984150.

Almost surely, 2^961162591322 is an apocalyptic number.

961162591322 is a deficient number, since it is larger than the sum of its proper divisors (482227120078).

961162591322 is a wasteful number, since it uses less digits than its factorization.

961162591322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87217.

The product of its digits is 349920, while the sum is 47.

The spelling of 961162591322 in words is "nine hundred sixty-one billion, one hundred sixty-two million, five hundred ninety-one thousand, three hundred twenty-two".