66886747870107 has 16 divisors (see below), whose sum is σ = 97291033880832. Its totient is φ = 40536915119520.

The previous prime is 66886747870097. The next prime is 66886747870177. The reversal of 66886747870107 is 70107874768866.

It is not a de Polignac number, because 66886747870107 - 2⁶ = 66886747870043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66886747870177) 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, 10013223 + ... + 15298304.

It is an arithmetic number, because the mean of its divisors is an integer number (6080689617552).

Almost surely, 2^{66886747870107} is an apocalyptic number.

66886747870107 is a deficient number, since it is larger than the sum of its proper divisors (30404286010725).

66886747870107 is a wasteful number, since it uses less digits than its factorization.

66886747870107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25391618.

The product of its (nonzero) digits is 1062125568, while the sum is 75.

The spelling of 66886747870107 in words is "sixty-six trillion, eight hundred eighty-six billion, seven hundred forty-seven million, eight hundred seventy thousand, one hundred seven".