264723810164 has 72 divisors (see below), whose sum is σ = 526969744224. Its totient is φ = 116182123200.

The previous prime is 264723810121. The next prime is 264723810187. The reversal of 264723810164 is 461018327462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2289527 + ... + 2402369.

Almost surely, 2^264723810164 is an apocalyptic number.

It is an amenable number.

264723810164 is a deficient number, since it is larger than the sum of its proper divisors (262245934060).

264723810164 is a wasteful number, since it uses less digits than its factorization.

264723810164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113037 (or 113024 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 264723810164 in words is "two hundred sixty-four billion, seven hundred twenty-three million, eight hundred ten thousand, one hundred sixty-four".