163169245 has 32 divisors (see below), whose sum is σ = 219283200. Its totient is φ = 115974144.

The previous prime is 163169243. The next prime is 163169263. The reversal of 163169245 is 542961361.

It is a cyclic number.

It is not a de Polignac number, because 163169245 - 2¹ = 163169243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163169243) 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 31 ways as a sum of consecutive naturals, for example, 115101 + ... + 116509.

It is an arithmetic number, because the mean of its divisors is an integer number (6852600).

Almost surely, 2^163169245 is an apocalyptic number.

It is an amenable number.

163169245 is a deficient number, since it is larger than the sum of its proper divisors (56113955).

163169245 is a wasteful number, since it uses less digits than its factorization.

163169245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its digits is 38880, while the sum is 37.

The square root of 163169245 is about 12773.7717609170. The cubic root of 163169245 is about 546.4445531251. Note that the first 3 decimals are identical.

It can be divided in two parts, 1631 and 69245, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 163169245 in words is "one hundred sixty-three million, one hundred sixty-nine thousand, two hundred forty-five".