66736707074067 has 8 divisors (see below), whose sum is σ = 89473890884560. Its totient is φ = 44245330656480.

The previous prime is 66736707074047. The next prime is 66736707074117. The reversal of 66736707074067 is 76047070763766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66736707074067 - 2²⁰ = 66736706025491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66736707073989 and 66736707074007.

It is not an unprimeable number, because it can be changed into a prime (66736707074047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61451847592 + ... + 61451848677.

It is an arithmetic number, because the mean of its divisors is an integer number (11184236360570).

Almost surely, 2^{66736707074067} is an apocalyptic number.

66736707074067 is a deficient number, since it is larger than the sum of its proper divisors (22737183810493).

66736707074067 is a wasteful number, since it uses less digits than its factorization.

66736707074067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122903696453.

The product of its (nonzero) digits is 261382464, while the sum is 66.

The spelling of 66736707074067 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred seven million, seventy-four thousand, sixty-seven".