66046066064066 has 64 divisors (see below), whose sum is σ = 118983964538880. Its totient is φ = 27141500010240.

The previous prime is 66046066064063. The next prime is 66046066064081.

It is a happy number.

66046066064066 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (66046066064063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3769910 + ... + 12095633.

It is an arithmetic number, because the mean of its divisors is an integer number (1859124445920).

Almost surely, 2^{66046066064066} is an apocalyptic number.

66046066064066 is a deficient number, since it is larger than the sum of its proper divisors (52937898474814).

66046066064066 is a wasteful number, since it uses less digits than its factorization.

66046066064066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15866031.

The product of its (nonzero) digits is 26873856, while the sum is 56.

The spelling of 66046066064066 in words is "sixty-six trillion, forty-six billion, sixty-six million, sixty-four thousand, sixty-six", and thus it is an eban number.