2666816282960 has 40 divisors (see below), whose sum is σ = 6200416290816. Its totient is φ = 1066714739840.

The previous prime is 2666816282953. The next prime is 2666816282983. The reversal of 2666816282960 is 692826186662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2666816282960² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666816282893 and 2666816282902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12814457 + ... + 13020903.

Almost surely, 2^{2666816282960} is an apocalyptic number.

2666816282960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666816282960 is an abundant number, since it is smaller than the sum of its proper divisors (3533600007856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666816282960 is a wasteful number, since it uses less digits than its factorization.

2666816282960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367931 (or 367925 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 2666816282960 in words is "two trillion, six hundred sixty-six billion, eight hundred sixteen million, two hundred eighty-two thousand, nine hundred sixty".