161180468 has 12 divisors (see below), whose sum is σ = 298658052. Its totient is φ = 75849600.

The previous prime is 161180447. The next prime is 161180479. The reversal of 161180468 is 864081161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133911184 + 27269284 = 11572^2 + 5222^2 .

It is a congruent 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, 1185083 + ... + 1185218.

It is an arithmetic number, because the mean of its divisors is an integer number (24888171).

Almost surely, 2^161180468 is an apocalyptic number.

It is an amenable number.

161180468 is a deficient number, since it is larger than the sum of its proper divisors (137477584).

161180468 is a wasteful number, since it uses less digits than its factorization.

161180468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370322 (or 2370320 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 161180468 is about 12695.6869841691. The cubic root of 161180468 is about 544.2153712177.

The spelling of 161180468 in words is "one hundred sixty-one million, one hundred eighty thousand, four hundred sixty-eight".