66670707370707 has 24 divisors (see below), whose sum is σ = 107039077365168. Its totient is φ = 39644102721600.

The previous prime is 66670707370699. The next prime is 66670707370801. The reversal of 66670707370707 is 70707370707666.

It is not a de Polignac number, because 66670707370707 - 2³ = 66670707370699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66670707375707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6353216344 + ... + 6353226837.

It is an arithmetic number, because the mean of its divisors is an integer number (4459961556882).

Almost surely, 2^{66670707370707} is an apocalyptic number.

66670707370707 is a deficient number, since it is larger than the sum of its proper divisors (40368369994461).

66670707370707 is a wasteful number, since it uses less digits than its factorization.

66670707370707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706443251 (or 12706443248 counting only the distinct ones).

The product of its (nonzero) digits is 76236552, while the sum is 63.

The spelling of 66670707370707 in words is "sixty-six trillion, six hundred seventy billion, seven hundred seven million, three hundred seventy thousand, seven hundred seven".