66315063 has 8 divisors (see below), whose sum is σ = 90809968. Its totient is φ = 43015104.

The previous prime is 66315061. The next prime is 66315077. The reversal of 66315063 is 36051366.

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

It is not a de Polignac number, because 66315063 - 2¹ = 66315061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66315063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66315061) 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, 298606 + ... + 298827.

It is an arithmetic number, because the mean of its divisors is an integer number (11351246).

Almost surely, 2^66315063 is an apocalyptic number.

66315063 is a deficient number, since it is larger than the sum of its proper divisors (24494905).

66315063 is a wasteful number, since it uses less digits than its factorization.

66315063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597473.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 66315063 is about 8143.4061055556. The cubic root of 66315063 is about 404.7660346573.

The spelling of 66315063 in words is "sixty-six million, three hundred fifteen thousand, sixty-three".