66773453677323 has 8 divisors (see below), whose sum is σ = 89430514940928. Its totient is φ = 44316014099304.

The previous prime is 66773453677319. The next prime is 66773453677331. The reversal of 66773453677323 is 32377635437766.

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

It is not a de Polignac number, because 66773453677323 - 2² = 66773453677319 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (66773453677303) 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, 49905420615 + ... + 49905421952.

It is an arithmetic number, because the mean of its divisors is an integer number (11178814367616).

Almost surely, 2^{66773453677323} is an apocalyptic number.

66773453677323 is a deficient number, since it is larger than the sum of its proper divisors (22657061263605).

66773453677323 is a wasteful number, since it uses less digits than its factorization.

66773453677323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99810842793.

The product of its digits is 1680315840, while the sum is 69.

The spelling of 66773453677323 in words is "sixty-six trillion, seven hundred seventy-three billion, four hundred fifty-three million, six hundred seventy-seven thousand, three hundred twenty-three".