2660201601727 has 4 divisors (see below), whose sum is σ = 2660343098040. Its totient is φ = 2660060105416.

The previous prime is 2660201601721. The next prime is 2660201601797. The reversal of 2660201601727 is 7271061020662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2660201601727 - 2⁷ = 2660201601599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2660201601727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660201601721) 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, 70719952 + ... + 70757557.

It is an arithmetic number, because the mean of its divisors is an integer number (665085774510).

Almost surely, 2^{2660201601727} is an apocalyptic number.

2660201601727 is a deficient number, since it is larger than the sum of its proper divisors (141496313).

2660201601727 is a wasteful number, since it uses less digits than its factorization.

2660201601727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141496312.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 2660201601727 in words is "two trillion, six hundred sixty billion, two hundred one million, six hundred one thousand, seven hundred twenty-seven".