163182813 has 32 divisors (see below), whose sum is σ = 238225536. Its totient is φ = 98961408.

The previous prime is 163182793. The next prime is 163182823. The reversal of 163182813 is 318281361.

It is not a de Polignac number, because 163182813 - 2¹⁰ = 163181789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163182823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196906 + ... + 197732.

It is an arithmetic number, because the mean of its divisors is an integer number (7444548).

Almost surely, 2^163182813 is an apocalyptic number.

It is an amenable number.

163182813 is a deficient number, since it is larger than the sum of its proper divisors (75042723).

163182813 is a wasteful number, since it uses less digits than its factorization.

163182813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its digits is 6912, while the sum is 33.

The square root of 163182813 is about 12774.3028381200. The cubic root of 163182813 is about 546.4596988596.

The spelling of 163182813 in words is "one hundred sixty-three million, one hundred eighty-two thousand, eight hundred thirteen".