66008491373 has 8 divisors (see below), whose sum is σ = 72086125440. Its totient is φ = 59943667680.

The previous prime is 66008491369. The next prime is 66008491379. The reversal of 66008491373 is 37319480066.

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 66008491373 - 2² = 66008491369 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 (66008491379) 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, 3191813 + ... + 3212426.

It is an arithmetic number, because the mean of its divisors is an integer number (9010765680).

Almost surely, 2^66008491373 is an apocalyptic number.

It is an amenable number.

66008491373 is a deficient number, since it is larger than the sum of its proper divisors (6077634067).

66008491373 is a wasteful number, since it uses less digits than its factorization.

66008491373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405187.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 66008491373 in words is "sixty-six billion, eight million, four hundred ninety-one thousand, three hundred seventy-three".