163020361 has 16 divisors (see below), whose sum is σ = 207653760. Its totient is φ = 124588800.

The previous prime is 163020349. The next prime is 163020367.

163020361 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 163020361 - 2⁵ = 163020329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163020367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33790 + ... + 38311.

It is an arithmetic number, because the mean of its divisors is an integer number (12978360).

Almost surely, 2^163020361 is an apocalyptic number.

It is an amenable number.

163020361 is a deficient number, since it is larger than the sum of its proper divisors (44633399).

163020361 is a wasteful number, since it uses less digits than its factorization.

163020361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72144.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 163020361 is about 12767.9427082048. The cubic root of 163020361 is about 546.2783011901.

The spelling of 163020361 in words is "one hundred sixty-three million, twenty thousand, three hundred sixty-one".