66707073337407 has 16 divisors (see below), whose sum is σ = 92840401167360. Its totient is φ = 42523837199712.

The previous prime is 66707073337381. The next prime is 66707073337459. The reversal of 66707073337407 is 70473337070766.

It is not a de Polignac number, because 66707073337407 - 2⁷ = 66707073337279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707073237407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158955607 + ... + 159374712.

It is an arithmetic number, because the mean of its divisors is an integer number (5802525072960).

Almost surely, 2^{66707073337407} is an apocalyptic number.

66707073337407 is a deficient number, since it is larger than the sum of its proper divisors (26133327829953).

66707073337407 is a wasteful number, since it uses less digits than its factorization.

66707073337407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318333382.

The product of its (nonzero) digits is 65345616, while the sum is 60.

The spelling of 66707073337407 in words is "sixty-six trillion, seven hundred seven billion, seventy-three million, three hundred thirty-seven thousand, four hundred seven".