163652231 has 4 divisors (see below), whose sum is σ = 165957264. Its totient is φ = 161347200.

The previous prime is 163652189. The next prime is 163652299. The reversal of 163652231 is 132256361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163652231 is a prime.

It is a super-2 number, since 2×163652231² = 53564105422554722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163652194 and 163652203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163652831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152410 + ... + 1152551.

It is an arithmetic number, because the mean of its divisors is an integer number (41489316).

Almost surely, 2^163652231 is an apocalyptic number.

163652231 is a deficient number, since it is larger than the sum of its proper divisors (2305033).

163652231 is an equidigital number, since it uses as much as digits as its factorization.

163652231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305032.

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

The square root of 163652231 is about 12792.6631707397. The cubic root of 163652231 is about 546.9831862634.

The spelling of 163652231 in words is "one hundred sixty-three million, six hundred fifty-two thousand, two hundred thirty-one".