66346063 has 4 divisors (see below), whose sum is σ = 75824080. Its totient is φ = 56868048.

The previous prime is 66346057. The next prime is 66346079. The reversal of 66346063 is 36064366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66346063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66346663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738998 + ... + 4739011.

It is an arithmetic number, because the mean of its divisors is an integer number (18956020).

Almost surely, 2^66346063 is an apocalyptic number.

66346063 is a deficient number, since it is larger than the sum of its proper divisors (9478017).

66346063 is an equidigital number, since it uses as much as digits as its factorization.

66346063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478016.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 66346063 is about 8145.3092636192. The cubic root of 66346063 is about 404.8290962092.

The spelling of 66346063 in words is "sixty-six million, three hundred forty-six thousand, sixty-three".