225164023263 has 32 divisors (see below), whose sum is σ = 334213806080. Its totient is φ = 149822796960.

The previous prime is 225164023247. The next prime is 225164023267. The reversal of 225164023263 is 362320461522.

225164023263 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 640 + 2 + 3 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 225164023263 - 2⁴ = 225164023247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225164023267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35327745 + ... + 35334117.

It is an arithmetic number, because the mean of its divisors is an integer number (10444181440).

Almost surely, 2^225164023263 is an apocalyptic number.

225164023263 is a deficient number, since it is larger than the sum of its proper divisors (109049782817).

225164023263 is a wasteful number, since it uses less digits than its factorization.

225164023263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676 (or 8670 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 225164023263 its reverse (362320461522), we get a palindrome (587484484785).

The spelling of 225164023263 in words is "two hundred twenty-five billion, one hundred sixty-four million, twenty-three thousand, two hundred sixty-three".