161308460 has 12 divisors (see below), whose sum is σ = 338747808. Its totient is φ = 64523376.

The previous prime is 161308447. The next prime is 161308471. The reversal of 161308460 is 64803161.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032692 + ... + 4032731.

It is an arithmetic number, because the mean of its divisors is an integer number (28228984).

Almost surely, 2^161308460 is an apocalyptic number.

161308460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161308460 is an abundant number, since it is smaller than the sum of its proper divisors (177439348).

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

161308460 is a wasteful number, since it uses less digits than its factorization.

161308460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065432 (or 8065430 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 161308460 is about 12700.7267508596. The cubic root of 161308460 is about 544.3593853266.

The spelling of 161308460 in words is "one hundred sixty-one million, three hundred eight thousand, four hundred sixty".