2064676123566 has 96 divisors (see below), whose sum is σ = 5351435631360. Its totient is φ = 584394206976.

The previous prime is 2064676123487. The next prime is 2064676123567. The reversal of 2064676123566 is 6653216764602.

2064676123566 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 6 + 76 + 1 + 2 + 3 + 566 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064676123567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2471971 + ... + 3199998.

It is an arithmetic number, because the mean of its divisors is an integer number (55744121160).

Almost surely, 2^{2064676123566} is an apocalyptic number.

2064676123566 is an abundant number, since it is smaller than the sum of its proper divisors (3286759507794).

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

2064676123566 is a wasteful number, since it uses less digits than its factorization.

2064676123566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672100 (or 5672088 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 2064676123566 in words is "two trillion, sixty-four billion, six hundred seventy-six million, one hundred twenty-three thousand, five hundred sixty-six".