264168507872 has 24 divisors (see below), whose sum is σ = 520093200816. Its totient is φ = 132081345792.

The previous prime is 264168507871. The next prime is 264168507887. The reversal of 264168507872 is 278705861462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264168507871) 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, 2798468 + ... + 2891324.

It is an arithmetic number, because the mean of its divisors is an integer number (21670550034).

Almost surely, 2^264168507872 is an apocalyptic number.

It is an amenable number.

264168507872 is a deficient number, since it is larger than the sum of its proper divisors (255924692944).

264168507872 is an equidigital number, since it uses as much as digits as its factorization.

264168507872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181770 (or 181762 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 264168507872 in words is "two hundred sixty-four billion, one hundred sixty-eight million, five hundred seven thousand, eight hundred seventy-two".