266097560 has 16 divisors (see below), whose sum is σ = 598719600. Its totient is φ = 106439008.

The previous prime is 266097547. The next prime is 266097589. The reversal of 266097560 is 65790662.

It is a super-2 number, since 2×266097560² = 141615822875907200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326180 + ... + 3326259.

It is an arithmetic number, because the mean of its divisors is an integer number (37419975).

Almost surely, 2^266097560 is an apocalyptic number.

266097560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266097560 is an abundant number, since it is smaller than the sum of its proper divisors (332622040).

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

266097560 is a wasteful number, since it uses less digits than its factorization.

266097560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652450 (or 6652446 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 266097560 is about 16312.4970498082. The cubic root of 266097560 is about 643.2013749115.

The spelling of 266097560 in words is "two hundred sixty-six million, ninety-seven thousand, five hundred sixty".