4012666564001 has 4 divisors (see below), whose sum is σ = 4012670760192. Its totient is φ = 4012662367812.

The previous prime is 4012666563991. The next prime is 4012666564061. The reversal of 4012666564001 is 1004656662104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012666564001 is a prime.

It is a super-2 number, since 2×4012666564001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4012666564001.

It is not an unprimeable number, because it can be changed into a prime (4012666564061) 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 3 ways as a sum of consecutive naturals, for example, 113096 + ... + 2835158.

It is an arithmetic number, because the mean of its divisors is an integer number (1003167690048).

Almost surely, 2^{4012666564001} is an apocalyptic number.

It is an amenable number.

4012666564001 is a deficient number, since it is larger than the sum of its proper divisors (4196191).

4012666564001 is a wasteful number, since it uses less digits than its factorization.

4012666564001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196190.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 4012666564001 in words is "four trillion, twelve billion, six hundred sixty-six million, five hundred sixty-four thousand, one".