162561332 has 12 divisors (see below), whose sum is σ = 296851296. Its totient is φ = 77746680.

The previous prime is 162561319. The next prime is 162561341. The reversal of 162561332 is 233165261.

162561332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162561332² = 52852373323228448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162561295 and 162561304.

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, 883394 + ... + 883577.

It is an arithmetic number, because the mean of its divisors is an integer number (24737608).

Almost surely, 2^162561332 is an apocalyptic number.

It is an amenable number.

162561332 is a deficient number, since it is larger than the sum of its proper divisors (134289964).

162561332 is a wasteful number, since it uses less digits than its factorization.

162561332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766998 (or 1766996 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 162561332 is about 12749.9541959962. The cubic root of 162561332 is about 545.7650865446.

The spelling of 162561332 in words is "one hundred sixty-two million, five hundred sixty-one thousand, three hundred thirty-two".