162997432 has 32 divisors (see below), whose sum is σ = 338032800. Its totient is φ = 73194624.

The previous prime is 162997423. The next prime is 162997453. The reversal of 162997432 is 234799261.

162997432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 17332 + ... + 25027.

It is an arithmetic number, because the mean of its divisors is an integer number (10563525).

Almost surely, 2^162997432 is an apocalyptic number.

It is an amenable number.

162997432 is an abundant number, since it is smaller than the sum of its proper divisors (175035368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162997432 is a wasteful number, since it uses less digits than its factorization.

162997432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42415 (or 42411 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 162997432 is about 12767.0447637658. The cubic root of 162997432 is about 546.2526884336.

The spelling of 162997432 in words is "one hundred sixty-two million, nine hundred ninety-seven thousand, four hundred thirty-two".