163122372 has 216 divisors, whose sum is σ = 524509440. Its totient is φ = 42456960.

The previous prime is 163122367. The next prime is 163122409. The reversal of 163122372 is 273221361.

163122372 is a `hidden beast` number, since 1 + 631 + 2 + 23 + 7 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1038918 + ... + 1039074.

Almost surely, 2^163122372 is an apocalyptic number.

163122372 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 163122372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262254720).

163122372 is an abundant number, since it is smaller than the sum of its proper divisors (361387068).

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

163122372 is a wasteful number, since it uses less digits than its factorization.

163122372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 219 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 163122372 is about 12771.9368930480. The cubic root of 163122372 is about 546.3922231072.

The spelling of 163122372 in words is "one hundred sixty-three million, one hundred twenty-two thousand, three hundred seventy-two".