163270533 has 16 divisors (see below), whose sum is σ = 231249600. Its totient is φ = 102110976.

The previous prime is 163270531. The next prime is 163270543. The reversal of 163270533 is 335072361.

It is not a de Polignac number, because 163270533 - 2¹ = 163270531 is a prime.

It is a super-2 number, since 2×163270533² = 53314533892208178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163270533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163270531) 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, 11118 + ... + 21216.

It is an arithmetic number, because the mean of its divisors is an integer number (14453100).

Almost surely, 2^163270533 is an apocalyptic number.

It is an amenable number.

163270533 is a deficient number, since it is larger than the sum of its proper divisors (67979067).

163270533 is a wasteful number, since it uses less digits than its factorization.

163270533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 163270533 is about 12777.7358322983. The cubic root of 163270533 is about 546.5575989941.

The spelling of 163270533 in words is "one hundred sixty-three million, two hundred seventy thousand, five hundred thirty-three".