163493882 has 8 divisors (see below), whose sum is σ = 247031316. Its totient is φ = 81150112.

The previous prime is 163493881. The next prime is 163493887. The reversal of 163493882 is 288394361.

It can be written as a sum of positive squares in 2 ways, for example, as 160250281 + 3243601 = 12659^2 + 1801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163493881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298073 + ... + 298620.

Almost surely, 2^163493882 is an apocalyptic number.

163493882 is a deficient number, since it is larger than the sum of its proper divisors (83537434).

163493882 is a wasteful number, since it uses less digits than its factorization.

163493882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596832.

The product of its digits is 248832, while the sum is 44.

The square root of 163493882 is about 12786.4726175752. The cubic root of 163493882 is about 546.8067100230.

The spelling of 163493882 in words is "one hundred sixty-three million, four hundred ninety-three thousand, eight hundred eighty-two".