163702242 has 32 divisors (see below), whose sum is σ = 396855360. Its totient is φ = 49606560.

The previous prime is 163702241. The next prime is 163702261. The reversal of 163702242 is 242207361.

163702242 is a `hidden beast` number, since 1 + 637 + 0 + 2 + 24 + 2 = 666.

163702242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (163702241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137203 + ... + 138390.

It is an arithmetic number, because the mean of its divisors is an integer number (12401730).

Almost surely, 2^163702242 is an apocalyptic number.

163702242 is an abundant number, since it is smaller than the sum of its proper divisors (233153118).

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

163702242 is a wasteful number, since it uses less digits than its factorization.

163702242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275615 (or 275609 counting only the distinct ones).

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

The square root of 163702242 is about 12794.6176965160. The cubic root of 163702242 is about 547.0388986928.

The spelling of 163702242 in words is "one hundred sixty-three million, seven hundred two thousand, two hundred forty-two".