264404254206163 has 4 divisors (see below), whose sum is σ = 266334212266200. Its totient is φ = 262474296146128.

The previous prime is 264404254206161. The next prime is 264404254206203. The reversal of 264404254206163 is 361602452404462.

It is a happy number.

264404254206163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 264404254206163 - 2¹ = 264404254206161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264404254206161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964979029813 + ... + 964979030086.

It is an arithmetic number, because the mean of its divisors is an integer number (66583553066550).

Almost surely, 2^{264404254206163} is an apocalyptic number.

264404254206163 is a deficient number, since it is larger than the sum of its proper divisors (1929958060037).

264404254206163 is a wasteful number, since it uses less digits than its factorization.

264404254206163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929958060036.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 264404254206163 in words is "two hundred sixty-four trillion, four hundred four billion, two hundred fifty-four million, two hundred six thousand, one hundred sixty-three".