266163136563132 has 36 divisors (see below), whose sum is σ = 672965400143400. Its totient is φ = 88699400913312.

The previous prime is 266163136563131. The next prime is 266163136563197. The reversal of 266163136563132 is 231365631361662.

266163136563132 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 6 + 31 + 36 + 563 + 13 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266163136563131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901709043 + ... + 902004170.

Almost surely, 2^{266163136563132} is an apocalyptic number.

It is an amenable number.

266163136563132 is an abundant number, since it is smaller than the sum of its proper divisors (406802263580268).

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

266163136563132 is a wasteful number, since it uses less digits than its factorization.

266163136563132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803717322 (or 1803717317 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 54.

The spelling of 266163136563132 in words is "two hundred sixty-six trillion, one hundred sixty-three billion, one hundred thirty-six million, five hundred sixty-three thousand, one hundred thirty-two".