163201490289 has 6 divisors (see below), whose sum is σ = 235735485986. Its totient is φ = 108800993520.

The previous prime is 163201490281. The next prime is 163201490323. The reversal of 163201490289 is 982094102361.

163201490289 is a `hidden beast` number, since 1 + 6 + 320 + 1 + 49 + 0 + 289 = 666.

It can be written as a sum of positive squares in only one way, i.e., 89032414689 + 74169075600 = 298383^2 + 272340^2 .

It is not a de Polignac number, because 163201490289 - 2³ = 163201490281 is a prime.

It is a super-2 number, since 2×163201490289² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163201490281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9066749452 + ... + 9066749469.

Almost surely, 2^163201490289 is an apocalyptic number.

It is an amenable number.

163201490289 is a deficient number, since it is larger than the sum of its proper divisors (72533995697).

163201490289 is a wasteful number, since it uses less digits than its factorization.

163201490289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18133498927 (or 18133498924 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 163201490289 in words is "one hundred sixty-three billion, two hundred one million, four hundred ninety thousand, two hundred eighty-nine".