161848466 has 16 divisors (see below), whose sum is σ = 276827544. Its totient is φ = 70305024.

The previous prime is 161848457. The next prime is 161848469. The reversal of 161848466 is 664848161.

It can be written as a sum of positive squares in 4 ways, for example, as 121462441 + 40386025 = 11021^2 + 6355^2 .

It is not an unprimeable number, because it can be changed into a prime (161848469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182645 + ... + 183528.

Almost surely, 2^161848466 is an apocalyptic number.

161848466 is a deficient number, since it is larger than the sum of its proper divisors (114979078).

161848466 is a wasteful number, since it uses less digits than its factorization.

161848466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366205.

The product of its digits is 221184, while the sum is 44.

The square root of 161848466 is about 12721.9678509262. The cubic root of 161848466 is about 544.9661522620.

The spelling of 161848466 in words is "one hundred sixty-one million, eight hundred forty-eight thousand, four hundred sixty-six".