66673670373367 has 4 divisors (see below), whose sum is σ = 66709191776616. Its totient is φ = 66638148970120.

The previous prime is 66673670373307. The next prime is 66673670373437. The reversal of 66673670373367 is 76337307637666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66673670373367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66673670373296 and 66673670373305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66673670373307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17760698809 + ... + 17760702562.

It is an arithmetic number, because the mean of its divisors is an integer number (16677297944154).

Almost surely, 2^{66673670373367} is an apocalyptic number.

66673670373367 is a deficient number, since it is larger than the sum of its proper divisors (35521403249).

66673670373367 is a wasteful number, since it uses less digits than its factorization.

66673670373367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35521403248.

The product of its (nonzero) digits is 1512284256, while the sum is 70.

The spelling of 66673670373367 in words is "sixty-six trillion, six hundred seventy-three billion, six hundred seventy million, three hundred seventy-three thousand, three hundred sixty-seven".