163272240 has 160 divisors (see below), whose sum is σ = 566481600. Its totient is φ = 43223040.

The previous prime is 163272229. The next prime is 163272251. The reversal of 163272240 is 42272361.

163272240 is a `hidden beast` number, since 1 + 632 + 7 + 2 + 24 + 0 = 666.

163272240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163272229) and next prime (163272251).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580900 + ... + 581180.

It is an arithmetic number, because the mean of its divisors is an integer number (3540510).

Almost surely, 2^163272240 is an apocalyptic number.

163272240 is a gapful number since it is divisible by the number (10) 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 163272240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283240800).

163272240 is an abundant number, since it is smaller than the sum of its proper divisors (403209360).

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

163272240 is a wasteful number, since it uses less digits than its factorization.

163272240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 163272240 is about 12777.8026279952. The cubic root of 163272240 is about 546.5595037480.

The spelling of 163272240 in words is "one hundred sixty-three million, two hundred seventy-two thousand, two hundred forty".