66005110050656 has 24 divisors (see below), whose sum is σ = 148511497614480. Its totient is φ = 28287904307328.

The previous prime is 66005110050637. The next prime is 66005110050709. The reversal of 66005110050656 is 65605001150066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147332834711 + ... + 147332835158.

It is an arithmetic number, because the mean of its divisors is an integer number (6187979067270).

Almost surely, 2^{66005110050656} is an apocalyptic number.

It is an amenable number.

66005110050656 is an abundant number, since it is smaller than the sum of its proper divisors (82506387563824).

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

66005110050656 is a wasteful number, since it uses less digits than its factorization.

66005110050656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294665669886 (or 294665669878 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 66005110050656 in words is "sixty-six trillion, five billion, one hundred ten million, fifty thousand, six hundred fifty-six".