2646660430267 has 16 divisors (see below), whose sum is σ = 3033279332352. Its totient is φ = 2262175120800.

The previous prime is 2646660430217. The next prime is 2646660430307. The reversal of 2646660430267 is 7620340666462.

It is not a de Polignac number, because 2646660430267 - 2¹⁹ = 2646659905979 is a prime.

It is a super-2 number, since 2×2646660430267² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2646660430217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13190142 + ... + 13389292.

It is an arithmetic number, because the mean of its divisors is an integer number (189579958272).

Almost surely, 2^{2646660430267} is an apocalyptic number.

2646660430267 is a deficient number, since it is larger than the sum of its proper divisors (386618902085).

2646660430267 is a wasteful number, since it uses less digits than its factorization.

2646660430267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204498.

The product of its (nonzero) digits is 10450944, while the sum is 52.

The spelling of 2646660430267 in words is "two trillion, six hundred forty-six billion, six hundred sixty million, four hundred thirty thousand, two hundred sixty-seven".