161468572 has 6 divisors (see below), whose sum is σ = 282570008. Its totient is φ = 80734284.

The previous prime is 161468557. The next prime is 161468597. The reversal of 161468572 is 275864161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183568 + ... + 20183575.

Almost surely, 2^161468572 is an apocalyptic number.

It is an amenable number.

161468572 is a deficient number, since it is larger than the sum of its proper divisors (121101436).

161468572 is a wasteful number, since it uses less digits than its factorization.

161468572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367147 (or 40367145 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 161468572 is about 12707.0284488546. The cubic root of 161468572 is about 544.5394330200.

The spelling of 161468572 in words is "one hundred sixty-one million, four hundred sixty-eight thousand, five hundred seventy-two".