163245450265 has 16 divisors (see below), whose sum is σ = 208563722640. Its totient is φ = 122235125760.

The previous prime is 163245450259. The next prime is 163245450337. The reversal of 163245450265 is 562054542361.

It can be written as a sum of positive squares in 8 ways, for example, as 15399817216 + 147845633049 = 124096^2 + 384507^2 .

It is a de Polignac number, because none of the positive numbers 2^k-163245450265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5289960 + ... + 5320729.

It is an arithmetic number, because the mean of its divisors is an integer number (13035232665).

Almost surely, 2^163245450265 is an apocalyptic number.

It is an amenable number.

163245450265 is a deficient number, since it is larger than the sum of its proper divisors (45318272375).

163245450265 is a wasteful number, since it uses less digits than its factorization.

163245450265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610892.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 163245450265 in words is "one hundred sixty-three billion, two hundred forty-five million, four hundred fifty thousand, two hundred sixty-five".