2660876361 has 48 divisors (see below), whose sum is σ = 4523081472. Its totient is φ = 1486080000.

The previous prime is 2660876359. The next prime is 2660876369. The reversal of 2660876361 is 1636780662.

2660876361 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 8 + 7 + 636 + 1 = 666.

It is not a de Polignac number, because 2660876361 - 2¹ = 2660876359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660876369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 965161 + ... + 967913.

It is an arithmetic number, because the mean of its divisors is an integer number (94230864).

Almost surely, 2^2660876361 is an apocalyptic number.

It is an amenable number.

2660876361 is a deficient number, since it is larger than the sum of its proper divisors (1862205111).

2660876361 is a wasteful number, since it uses less digits than its factorization.

2660876361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2660876361 is about 51583.6830887443. The cubic root of 2660876361 is about 1385.7181279332.

The spelling of 2660876361 in words is "two billion, six hundred sixty million, eight hundred seventy-six thousand, three hundred sixty-one".