161330466 has 16 divisors (see below), whose sum is σ = 351993888. Its totient is φ = 48888000.

The previous prime is 161330443. The next prime is 161330473. The reversal of 161330466 is 664033161.

161330466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1222135 + ... + 1222266.

It is an arithmetic number, because the mean of its divisors is an integer number (21999618).

Almost surely, 2^161330466 is an apocalyptic number.

161330466 is an abundant number, since it is smaller than the sum of its proper divisors (190663422).

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

161330466 is a wasteful number, since it uses less digits than its factorization.

161330466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444417.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 161330466 is about 12701.5930496926. The cubic root of 161330466 is about 544.3841383741.

The spelling of 161330466 in words is "one hundred sixty-one million, three hundred thirty thousand, four hundred sixty-six".