161952422 has 16 divisors (see below), whose sum is σ = 246480192. Its totient is φ = 79797480.

The previous prime is 161952397. The next prime is 161952457. The reversal of 161952422 is 224259161.

161952422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80513 + ... + 82499.

It is an arithmetic number, because the mean of its divisors is an integer number (15405012).

Almost surely, 2^161952422 is an apocalyptic number.

161952422 is a deficient number, since it is larger than the sum of its proper divisors (84527770).

161952422 is a wasteful number, since it uses less digits than its factorization.

161952422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563.

The product of its digits is 8640, while the sum is 32.

The square root of 161952422 is about 12726.0528837499. The cubic root of 161952422 is about 545.0828053628.

The spelling of 161952422 in words is "one hundred sixty-one million, nine hundred fifty-two thousand, four hundred twenty-two".