266590836436992 has 52 divisors (see below), whose sum is σ = 710822116326840. Its totient is φ = 88863612141568.

The previous prime is 266590836436823. The next prime is 266590836436999. The reversal of 266590836436992 is 299634638095662.

It is not an unprimeable number, because it can be changed into a prime (266590836436999) 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, 10847596617 + ... + 10847621192.

Almost surely, 2^{266590836436992} is an apocalyptic number.

It is an amenable number.

266590836436992 is an abundant number, since it is smaller than the sum of its proper divisors (444231279889848).

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

266590836436992 is an equidigital number, since it uses as much as digits as its factorization.

266590836436992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21695217836 (or 21695217814 counting only the distinct ones).

The product of its (nonzero) digits is 5441955840, while the sum is 78.

The spelling of 266590836436992 in words is "two hundred sixty-six trillion, five hundred ninety billion, eight hundred thirty-six million, four hundred thirty-six thousand, nine hundred ninety-two".