2665142791768 has 32 divisors (see below), whose sum is σ = 5140334446560. Its totient is φ = 1294501098240.

The previous prime is 2665142791763. The next prime is 2665142791859. The reversal of 2665142791768 is 8671972415662.

2665142791768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2665142791768² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665142791763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947821 + ... + 7321372.

It is an arithmetic number, because the mean of its divisors is an integer number (160635451455).

Almost surely, 2^{2665142791768} is an apocalyptic number.

It is an amenable number.

2665142791768 is a deficient number, since it is larger than the sum of its proper divisors (2475191654792).

2665142791768 is a wasteful number, since it uses less digits than its factorization.

2665142791768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269867 (or 14269863 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 64.

The spelling of 2665142791768 in words is "two trillion, six hundred sixty-five billion, one hundred forty-two million, seven hundred ninety-one thousand, seven hundred sixty-eight".