163791022 has 16 divisors (see below), whose sum is σ = 260986752. Its totient is φ = 76826880.

The previous prime is 163791013. The next prime is 163791079. The reversal of 163791022 is 220197361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2947 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (16311672).

Almost surely, 2^163791022 is an apocalyptic number.

163791022 is a deficient number, since it is larger than the sum of its proper divisors (97195730).

163791022 is a wasteful number, since it uses less digits than its factorization.

163791022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15723.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 163791022 is about 12798.0866538714. The cubic root of 163791022 is about 547.1377719803.

The spelling of 163791022 in words is "one hundred sixty-three million, seven hundred ninety-one thousand, twenty-two".