162971232 has 48 divisors (see below), whose sum is σ = 429649920. Its totient is φ = 54088832.

The previous prime is 162971219. The next prime is 162971243. The reversal of 162971232 is 232179261.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 162971193 and 162971202.

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, 19393 + ... + 26495.

It is an arithmetic number, because the mean of its divisors is an integer number (8951040).

Almost surely, 2^162971232 is an apocalyptic number.

162971232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162971232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214824960).

162971232 is an abundant number, since it is smaller than the sum of its proper divisors (266678688).

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

162971232 is a wasteful number, since it uses less digits than its factorization.

162971232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355 (or 7347 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 162971232 is about 12766.0186432576. The cubic root of 162971232 is about 546.2234188777.

The spelling of 162971232 in words is "one hundred sixty-two million, nine hundred seventy-one thousand, two hundred thirty-two".