66485087315 has 8 divisors (see below), whose sum is σ = 80139873408. Its totient is φ = 52949557440.

The previous prime is 66485087309. The next prime is 66485087323. The reversal of 66485087315 is 51378058466.

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

It is not a de Polignac number, because 66485087315 - 2¹² = 66485083219 is a prime.

It is a Duffinian 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, 29812826 + ... + 29815055.

It is an arithmetic number, because the mean of its divisors is an integer number (10017484176).

Almost surely, 2^66485087315 is an apocalyptic number.

66485087315 is a deficient number, since it is larger than the sum of its proper divisors (13654786093).

66485087315 is a wasteful number, since it uses less digits than its factorization.

66485087315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59628109.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 66485087315 in words is "sixty-six billion, four hundred eighty-five million, eighty-seven thousand, three hundred fifteen".