2660240260623 has 32 divisors (see below), whose sum is σ = 3996171002880. Its totient is φ = 1560233269760.

The previous prime is 2660240260607. The next prime is 2660240260627. The reversal of 2660240260623 is 3260620420662.

It is not a de Polignac number, because 2660240260623 - 2⁴ = 2660240260607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660240260627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9497790 + ... + 9773867.

It is an arithmetic number, because the mean of its divisors is an integer number (124880343840).

Almost surely, 2^{2660240260623} is an apocalyptic number.

2660240260623 is a deficient number, since it is larger than the sum of its proper divisors (1335930742257).

2660240260623 is a wasteful number, since it uses less digits than its factorization.

2660240260623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271807.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 2660240260623 in words is "two trillion, six hundred sixty billion, two hundred forty million, two hundred sixty thousand, six hundred twenty-three".