2660792391 has 12 divisors (see below), whose sum is σ = 3849706432. Its totient is φ = 1770935616.

The previous prime is 2660792371. The next prime is 2660792401. The reversal of 2660792391 is 1932970662.

It is a happy number.

2660792391 is a `hidden beast` number, since 2 + 6 + 607 + 9 + 2 + 39 + 1 = 666.

2660792391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2660792391 - 2¹⁴ = 2660776007 is a prime.

It is a super-2 number, since 2×2660792391² = 14159632296006993762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660792371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238066 + ... + 248991.

Almost surely, 2^2660792391 is an apocalyptic number.

2660792391 is a deficient number, since it is larger than the sum of its proper divisors (1188914041).

2660792391 is a wasteful number, since it uses less digits than its factorization.

2660792391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487670 (or 487667 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 2660792391 is about 51582.8691621550. The cubic root of 2660792391 is about 1385.7035512851.

The spelling of 2660792391 in words is "two billion, six hundred sixty million, seven hundred ninety-two thousand, three hundred ninety-one".