163507223 has 8 divisors (see below), whose sum is σ = 178553856. Its totient is φ = 148491000.

The previous prime is 163507213. The next prime is 163507259. The reversal of 163507223 is 322705361.

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 163507223 - 2⁶ = 163507159 is a prime.

It is a super-2 number, since 2×163507223² = 53469223946343458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163507213) 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 7 ways as a sum of consecutive naturals, for example, 4490 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (22319232).

Almost surely, 2^163507223 is an apocalyptic number.

163507223 is a deficient number, since it is larger than the sum of its proper divisors (15046633).

163507223 is a wasteful number, since it uses less digits than its factorization.

163507223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 163507223 is about 12786.9942910756. The cubic root of 163507223 is about 546.8215826486.

The spelling of 163507223 in words is "one hundred sixty-three million, five hundred seven thousand, two hundred twenty-three".