2660260111570 has 8 divisors (see below), whose sum is σ = 4788468200844. Its totient is φ = 1064104044624.

The previous prime is 2660260111567. The next prime is 2660260111573. The reversal of 2660260111570 is 751110620662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2660260111567) and next prime (2660260111573).

It can be written as a sum of positive squares in 2 ways, for example, as 2501657845569 + 158602266001 = 1581663^2 + 398249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2660260111570² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2660260111573) 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, 133013005569 + ... + 133013005588.

Almost surely, 2^{2660260111570} is an apocalyptic number.

2660260111570 is a deficient number, since it is larger than the sum of its proper divisors (2128208089274).

2660260111570 is a wasteful number, since it uses less digits than its factorization.

2660260111570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266026011164.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 2660260111570 in words is "two trillion, six hundred sixty billion, two hundred sixty million, one hundred eleven thousand, five hundred seventy".