66707337003707 has 4 divisors (see below), whose sum is σ = 67551733674720. Its totient is φ = 65862940332696.

The previous prime is 66707337003617. The next prime is 66707337003743. The reversal of 66707337003707 is 70730073370766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66707337003707 - 2³⁸ = 66432459096763 is a prime.

It is a super-2 number, since 2×66707337003707² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66707337002707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422198335388 + ... + 422198335545.

It is an arithmetic number, because the mean of its divisors is an integer number (16887933418680).

Almost surely, 2^{66707337003707} is an apocalyptic number.

66707337003707 is a deficient number, since it is larger than the sum of its proper divisors (844396671013).

66707337003707 is an equidigital number, since it uses as much as digits as its factorization.

66707337003707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844396671012.

The product of its (nonzero) digits is 16336404, while the sum is 56.

The spelling of 66707337003707 in words is "sixty-six trillion, seven hundred seven billion, three hundred thirty-seven million, three thousand, seven hundred seven".