161380466 has 24 divisors (see below), whose sum is σ = 273533760. Its totient is φ = 71241456.

The previous prime is 161380423. The next prime is 161380481. The reversal of 161380466 is 664083161.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2606 + ... + 18153.

It is an arithmetic number, because the mean of its divisors is an integer number (11397240).

Almost surely, 2^161380466 is an apocalyptic number.

161380466 is a deficient number, since it is larger than the sum of its proper divisors (112153294).

161380466 is a wasteful number, since it uses less digits than its factorization.

161380466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810 (or 20797 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 161380466 is about 12703.5611542591. The cubic root of 161380466 is about 544.4403715956.

The spelling of 161380466 in words is "one hundred sixty-one million, three hundred eighty thousand, four hundred sixty-six".