161395022 has 8 divisors (see below), whose sum is σ = 242180400. Its totient is φ = 80668224.

The previous prime is 161395019. The next prime is 161395037. The reversal of 161395022 is 220593161.

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

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, 6947 + ... + 19262.

It is an arithmetic number, because the mean of its divisors is an integer number (30272550).

Almost surely, 2^161395022 is an apocalyptic number.

161395022 is a deficient number, since it is larger than the sum of its proper divisors (80785378).

161395022 is a wasteful number, since it uses less digits than its factorization.

161395022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29290.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 161395022 is about 12704.1340515598. The cubic root of 161395022 is about 544.4567400281.

The spelling of 161395022 in words is "one hundred sixty-one million, three hundred ninety-five thousand, twenty-two".