2666060204004 has 18 divisors (see below), whose sum is σ = 6739207737990. Its totient is φ = 888686734656.

The previous prime is 2666060203997. The next prime is 2666060204011. The reversal of 2666060204004 is 4004020606662.

It is an interprime number because it is at equal distance from previous prime (2666060203997) and next prime (2666060204011).

It can be written as a sum of positive squares in only one way, i.e., 2535737760000 + 130322444004 = 1592400^2 + 361002^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2666060204004² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 74057227889 = 2666060204004 / (2 + 6 + 6 + 6 + 0 + 6 + 0 + 2 + 0 + 4 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 2666060204004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37028613909 + ... + 37028613980.

Almost surely, 2^{2666060204004} is an apocalyptic number.

It is an amenable number.

2666060204004 is an abundant number, since it is smaller than the sum of its proper divisors (4073147533986).

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

2666060204004 is a wasteful number, since it uses less digits than its factorization.

2666060204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74057227899 (or 74057227894 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 2666060204004 in words is "two trillion, six hundred sixty-six billion, sixty million, two hundred four thousand, four".