2666087136001 has 4 divisors (see below), whose sum is σ = 2806407511600. Its totient is φ = 2525766760404.

The previous prime is 2666087135909. The next prime is 2666087136047. The reversal of 2666087136001 is 1006317806662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2666087136001 - 2⁹ = 2666087135489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666087136091) 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, 70160187771 + ... + 70160187808.

It is an arithmetic number, because the mean of its divisors is an integer number (701601877900).

Almost surely, 2^{2666087136001} is an apocalyptic number.

It is an amenable number.

2666087136001 is a deficient number, since it is larger than the sum of its proper divisors (140320375599).

2666087136001 is a wasteful number, since it uses less digits than its factorization.

2666087136001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140320375598.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 2666087136001 in words is "two trillion, six hundred sixty-six billion, eighty-seven million, one hundred thirty-six thousand, one".