161446746 has 8 divisors (see below), whose sum is σ = 322893504. Its totient is φ = 53815580.

The previous prime is 161446721. The next prime is 161446757. The reversal of 161446746 is 647644161.

It is a sphenic number, since it is the product of 3 distinct primes.

161446746 is an admirable number.

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, 13453890 + ... + 13453901.

It is an arithmetic number, because the mean of its divisors is an integer number (40361688).

Almost surely, 2^161446746 is an apocalyptic number.

161446746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161446746 is a wasteful number, since it uses less digits than its factorization.

161446746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26907796.

The product of its digits is 96768, while the sum is 39.

The square root of 161446746 is about 12706.1696037791. The cubic root of 161446746 is about 544.5148964532.

The spelling of 161446746 in words is "one hundred sixty-one million, four hundred forty-six thousand, seven hundred forty-six".