163242272 has 24 divisors (see below), whose sum is σ = 323190000. Its totient is φ = 81162304.

The previous prime is 163242269. The next prime is 163242323. The reversal of 163242272 is 272242361.

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, 8522 + ... + 19977.

It is an arithmetic number, because the mean of its divisors is an integer number (13466250).

Almost surely, 2^163242272 is an apocalyptic number.

It is an amenable number.

163242272 is a deficient number, since it is larger than the sum of its proper divisors (159947728).

163242272 is a wasteful number, since it uses less digits than its factorization.

163242272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28688 (or 28680 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 163242272 is about 12776.6299155920. The cubic root of 163242272 is about 546.5260620611.

The spelling of 163242272 in words is "one hundred sixty-three million, two hundred forty-two thousand, two hundred seventy-two".