66328073317006 has 16 divisors (see below), whose sum is σ = 99663315185664. Its totient is φ = 33107015677464.

The previous prime is 66328073316997. The next prime is 66328073317127. The reversal of 66328073317006 is 60071337082366.

It is a happy number.

It is a super-2 number, since 2×66328073317006² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056766 + ... + 14652001.

It is an arithmetic number, because the mean of its divisors is an integer number (6228957199104).

Almost surely, 2^{66328073317006} is an apocalyptic number.

66328073317006 is a deficient number, since it is larger than the sum of its proper divisors (33335241868658).

66328073317006 is a wasteful number, since it uses less digits than its factorization.

66328073317006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23711175.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 66328073317006 in words is "sixty-six trillion, three hundred twenty-eight billion, seventy-three million, three hundred seventeen thousand, six".