2660827585917 has 8 divisors (see below), whose sum is σ = 3573293641120. Its totient is φ = 1761123294000.

The previous prime is 2660827585859. The next prime is 2660827585931. The reversal of 2660827585917 is 7195857280662.

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

It is not a de Polignac number, because 2660827585917 - 2¹⁶ = 2660827520381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660827583917) 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, 3190440334 + ... + 3190441167.

It is an arithmetic number, because the mean of its divisors is an integer number (446661705140).

Almost surely, 2^{2660827585917} is an apocalyptic number.

It is an amenable number.

2660827585917 is a deficient number, since it is larger than the sum of its proper divisors (912466055203).

2660827585917 is a wasteful number, since it uses less digits than its factorization.

2660827585917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380881643.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 2660827585917 in words is "two trillion, six hundred sixty billion, eight hundred twenty-seven million, five hundred eighty-five thousand, nine hundred seventeen".