66616483 has 4 divisors (see below), whose sum is σ = 66668760. Its totient is φ = 66564208.

The previous prime is 66616477. The next prime is 66616493. The reversal of 66616483 is 38461666.

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 66616483 - 2¹³ = 66608291 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66616493) 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, 24178 + ... + 26791.

It is an arithmetic number, because the mean of its divisors is an integer number (16667190).

Almost surely, 2^66616483 is an apocalyptic number.

66616483 is a deficient number, since it is larger than the sum of its proper divisors (52277).

66616483 is a wasteful number, since it uses less digits than its factorization.

66616483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52276.

The product of its digits is 124416, while the sum is 40.

The square root of 66616483 is about 8161.8921213160. The cubic root of 66616483 is about 405.3783650993.

The spelling of 66616483 in words is "sixty-six million, six hundred sixteen thousand, four hundred eighty-three".