163564031 has 8 divisors (see below), whose sum is σ = 169555680. Its totient is φ = 157595872.

The previous prime is 163564007. The next prime is 163564039. The reversal of 163564031 is 130465361.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 163564031 - 2¹⁰ = 163563007 is a prime.

It is a super-2 number, since 2×163564031² = 53506384473937922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163563985 and 163564003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163564039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8981 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (21194460).

Almost surely, 2^163564031 is an apocalyptic number.

163564031 is a deficient number, since it is larger than the sum of its proper divisors (5991649).

163564031 is a wasteful number, since it uses less digits than its factorization.

163564031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11745.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 163564031 is about 12789.2154176869. The cubic root of 163564031 is about 546.8849034876.

The spelling of 163564031 in words is "one hundred sixty-three million, five hundred sixty-four thousand, thirty-one".