161464645322 has 16 divisors (see below), whose sum is σ = 244937390400. Its totient is φ = 79818990240.

The previous prime is 161464645297. The next prime is 161464645373. The reversal of 161464645322 is 223546464161.

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, 2965379 + ... + 3019337.

It is an arithmetic number, because the mean of its divisors is an integer number (15308586900).

Almost surely, 2^161464645322 is an apocalyptic number.

161464645322 is a deficient number, since it is larger than the sum of its proper divisors (83472745078).

161464645322 is a wasteful number, since it uses less digits than its factorization.

161464645322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70861.

The product of its digits is 829440, while the sum is 44.

The spelling of 161464645322 in words is "one hundred sixty-one billion, four hundred sixty-four million, six hundred forty-five thousand, three hundred twenty-two".