2560158666361 has 32 divisors (see below), whose sum is σ = 2687757972480. Its totient is φ = 2435766681600.

The previous prime is 2560158666347. The next prime is 2560158666379. The reversal of 2560158666361 is 1636668510652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2560158666361 is a prime.

It is a super-2 number, since 2×2560158666361² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2560158669361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292886451 + ... + 292895191.

It is an arithmetic number, because the mean of its divisors is an integer number (83992436640).

Almost surely, 2^{2560158666361} is an apocalyptic number.

It is an amenable number.

2560158666361 is a deficient number, since it is larger than the sum of its proper divisors (127599306119).

2560158666361 is a wasteful number, since it uses less digits than its factorization.

2560158666361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 2560158666361 in words is "two trillion, five hundred sixty billion, one hundred fifty-eight million, six hundred sixty-six thousand, three hundred sixty-one".