66773374007 has 8 divisors (see below), whose sum is σ = 67120788000. Its totient is φ = 66426079104.

The previous prime is 66773373991. The next prime is 66773374111. The reversal of 66773374007 is 70047337766.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66773374007 - 2⁴ = 66773373991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66773374207) 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, 1232963 + ... + 1285979.

It is an arithmetic number, because the mean of its divisors is an integer number (8390098500).

Almost surely, 2^66773374007 is an apocalyptic number.

66773374007 is a deficient number, since it is larger than the sum of its proper divisors (347413993).

66773374007 is a wasteful number, since it uses less digits than its factorization.

66773374007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59545.

The product of its (nonzero) digits is 3111696, while the sum is 50.

The spelling of 66773374007 in words is "sixty-six billion, seven hundred seventy-three million, three hundred seventy-four thousand, seven".