66670736674067 has 16 divisors (see below), whose sum is σ = 71801580023712. Its totient is φ = 61678293726720.

The previous prime is 66670736674057. The next prime is 66670736674081. The reversal of 66670736674067 is 76047663707666.

It is not a de Polignac number, because 66670736674067 - 2⁸ = 66670736673811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66670736674027) 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, 62961308 + ... + 64011465.

It is an arithmetic number, because the mean of its divisors is an integer number (4487598751482).

Almost surely, 2^{66670736674067} is an apocalyptic number.

66670736674067 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

66670736674067 is a deficient number, since it is larger than the sum of its proper divisors (5130843349645).

66670736674067 is a wasteful number, since it uses less digits than its factorization.

66670736674067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126973318.

The product of its (nonzero) digits is 1344252672, while the sum is 71.

The spelling of 66670736674067 in words is "sixty-six trillion, six hundred seventy billion, seven hundred thirty-six million, six hundred seventy-four thousand, sixty-seven".