66363305015 has 8 divisors (see below), whose sum is σ = 91012532640. Its totient is φ = 45506266272.

The previous prime is 66363304979. The next prime is 66363305023. The reversal of 66363305015 is 51050336366.

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 66363305015 - 2⁸ = 66363304759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66363305015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948047180 + ... + 948047249.

It is an arithmetic number, because the mean of its divisors is an integer number (11376566580).

Almost surely, 2^66363305015 is an apocalyptic number.

66363305015 is a deficient number, since it is larger than the sum of its proper divisors (24649227625).

66363305015 is a wasteful number, since it uses less digits than its factorization.

66363305015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896094441.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 66363305015 in words is "sixty-six billion, three hundred sixty-three million, three hundred five thousand, fifteen".