266304930597904 has 45 divisors (see below), whose sum is σ = 567137494472479. Its totient is φ = 121047369349280.

The previous prime is 266304930597887. The next prime is 266304930597913. The reversal of 266304930597904 is 409795039403662.

The square root of 266304930597904 is 16318852.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266304930597904.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 717844047 + ... + 718214929.

Almost surely, 2^{266304930597904} is an apocalyptic number.

266304930597904 is the 16318852-nd square number.

It is an amenable number.

266304930597904 is an abundant number, since it is smaller than the sum of its proper divisors (300832563874575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266304930597904 is an frugal number, since it uses more digits than its factorization.

266304930597904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741796 (or 370896 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 67.

The spelling of 266304930597904 in words is "two hundred sixty-six trillion, three hundred four billion, nine hundred thirty million, five hundred ninety-seven thousand, nine hundred four".