66079494085 has 8 divisors (see below), whose sum is σ = 86504065056. Its totient is φ = 48057813840.

The previous prime is 66079494083. The next prime is 66079494127. The reversal of 66079494085 is 58049497066.

It is a happy number.

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

It is not a de Polignac number, because 66079494085 - 2¹ = 66079494083 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 (66079494083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600722619 + ... + 600722728.

It is an arithmetic number, because the mean of its divisors is an integer number (10813008132).

Almost surely, 2^66079494085 is an apocalyptic number.

It is an amenable number.

66079494085 is a deficient number, since it is larger than the sum of its proper divisors (20424570971).

66079494085 is a wasteful number, since it uses less digits than its factorization.

66079494085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201445363.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 66079494085 in words is "sixty-six billion, seventy-nine million, four hundred ninety-four thousand, eighty-five".