161493348268 has 24 divisors (see below), whose sum is σ = 325344271392. Its totient is φ = 68706240384.

The previous prime is 161493348251. The next prime is 161493348301. The reversal of 161493348268 is 862843394161.

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, 21045871 + ... + 21053542.

It is an arithmetic number, because the mean of its divisors is an integer number (13556011308).

Almost surely, 2^161493348268 is an apocalyptic number.

It is an amenable number.

161493348268 is an abundant number, since it is smaller than the sum of its proper divisors (163850923124).

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

161493348268 is a wasteful number, since it uses less digits than its factorization.

161493348268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42099561 (or 42099559 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The spelling of 161493348268 in words is "one hundred sixty-one billion, four hundred ninety-three million, three hundred forty-eight thousand, two hundred sixty-eight".