163622241 has 32 divisors (see below), whose sum is σ = 248064000. Its totient is φ = 106563600.

The previous prime is 163622233. The next prime is 163622279. The reversal of 163622241 is 142226361.

163622241 is a `hidden beast` number, since 1 + 636 + 2 + 2 + 24 + 1 = 666.

It is not a de Polignac number, because 163622241 - 2³ = 163622233 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (163622231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272860 + ... + 273458.

It is an arithmetic number, because the mean of its divisors is an integer number (7752000).

Almost surely, 2^163622241 is an apocalyptic number.

It is an amenable number.

163622241 is a deficient number, since it is larger than the sum of its proper divisors (84441759).

163622241 is a wasteful number, since it uses less digits than its factorization.

163622241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 163622241 is about 12791.4909607911. The cubic root of 163622241 is about 546.9497718541.

The spelling of 163622241 in words is "one hundred sixty-three million, six hundred twenty-two thousand, two hundred forty-one".