66066062015 has 8 divisors (see below), whose sum is σ = 79483079520. Its totient is φ = 52716979552.

The previous prime is 66066061987. The next prime is 66066062053. The reversal of 66066062015 is 51026066066.

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 66066062015 - 2²⁰ = 66065013439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66066062015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16981619 + ... + 16985508.

It is an arithmetic number, because the mean of its divisors is an integer number (9935384940).

Almost surely, 2^66066062015 is an apocalyptic number.

66066062015 is a deficient number, since it is larger than the sum of its proper divisors (13417017505).

66066062015 is a wasteful number, since it uses less digits than its factorization.

66066062015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33967521.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 66066062015 in words is "sixty-six billion, sixty-six million, sixty-two thousand, fifteen".