66606062402659 has 8 divisors (see below), whose sum is σ = 72008709192000. Its totient is φ = 61243287545856.

The previous prime is 66606062402653. The next prime is 66606062402717. The reversal of 66606062402659 is 95620426060666.

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

It is not a de Polignac number, because 66606062402659 - 2³¹ = 66603914919011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66606062402653) 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, 9967979659 + ... + 9967986340.

It is an arithmetic number, because the mean of its divisors is an integer number (9001088649000).

Almost surely, 2^{66606062402659} is an apocalyptic number.

66606062402659 is a deficient number, since it is larger than the sum of its proper divisors (5402646789341).

66606062402659 is a wasteful number, since it uses less digits than its factorization.

66606062402659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19935966269.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 66606062402659 in words is "sixty-six trillion, six hundred six billion, sixty-two million, four hundred two thousand, six hundred fifty-nine".