266056406316260 has 48 divisors (see below), whose sum is σ = 654109408713600. Its totient is φ = 88994477372160.

The previous prime is 266056406316257. The next prime is 266056406316277. The reversal of 266056406316260 is 62613604650662.

It is a super-2 number, since 2×266056406316260² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23175639410 + ... + 23175650889.

It is an arithmetic number, because the mean of its divisors is an integer number (13627279348200).

Almost surely, 2^{266056406316260} is an apocalyptic number.

266056406316260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266056406316260 is an abundant number, since it is smaller than the sum of its proper divisors (388053002397340).

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

266056406316260 is a wasteful number, since it uses less digits than its factorization.

266056406316260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351290356 (or 46351290354 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 266056406316260 in words is "two hundred sixty-six trillion, fifty-six billion, four hundred six million, three hundred sixteen thousand, two hundred sixty".