66814483 has 4 divisors (see below), whose sum is σ = 66967120. Its totient is φ = 66661848.

The previous prime is 66814457. The next prime is 66814519. The reversal of 66814483 is 38441866.

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

It is a cyclic number.

It is not a de Polignac number, because 66814483 - 2¹³ = 66806291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66814453) 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, 75660 + ... + 76537.

It is an arithmetic number, because the mean of its divisors is an integer number (16741780).

Almost surely, 2^66814483 is an apocalyptic number.

66814483 is a deficient number, since it is larger than the sum of its proper divisors (152637).

66814483 is a wasteful number, since it uses less digits than its factorization.

66814483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152636.

The product of its digits is 110592, while the sum is 40.

The square root of 66814483 is about 8174.0126620895. The cubic root of 66814483 is about 405.7795947530.

It can be divided in two parts, 668 and 14483, that added together give a palindrome (15151).

The spelling of 66814483 in words is "sixty-six million, eight hundred fourteen thousand, four hundred eighty-three".