266116035521361 has 64 divisors (see below), whose sum is σ = 378739418893056. Its totient is φ = 165627135590400.

The previous prime is 266116035521353. The next prime is 266116035521393. The reversal of 266116035521361 is 163125530611662.

It is not a de Polignac number, because 266116035521361 - 2³ = 266116035521353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266116035521361.

It is not an unprimeable number, because it can be changed into a prime (266116035521341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5195828025 + ... + 5195879241.

It is an arithmetic number, because the mean of its divisors is an integer number (5917803420204).

Almost surely, 2^{266116035521361} is an apocalyptic number.

It is an amenable number.

266116035521361 is a deficient number, since it is larger than the sum of its proper divisors (112623383371695).

266116035521361 is a wasteful number, since it uses less digits than its factorization.

266116035521361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53122.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 266116035521361 in words is "two hundred sixty-six trillion, one hundred sixteen billion, thirty-five million, five hundred twenty-one thousand, three hundred sixty-one".