66734003674007 has 32 divisors (see below), whose sum is σ = 72148007162880. Its totient is φ = 61536229413120.

The previous prime is 66734003673983. The next prime is 66734003674031. The reversal of 66734003674007 is 70047630043766.

It is an interprime number because it is at equal distance from previous prime (66734003673983) and next prime (66734003674031).

It is not a de Polignac number, because 66734003674007 - 2³⁴ = 66716823804823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66734003674007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66734003674067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815329507 + ... + 1815366267.

It is an arithmetic number, because the mean of its divisors is an integer number (2254625223840).

Almost surely, 2^{66734003674007} is an apocalyptic number.

66734003674007 is a deficient number, since it is larger than the sum of its proper divisors (5414003488873).

66734003674007 is a wasteful number, since it uses less digits than its factorization.

66734003674007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40943.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 66734003674007 in words is "sixty-six trillion, seven hundred thirty-four billion, three million, six hundred seventy-four thousand, seven".