66183413 has 4 divisors (see below), whose sum is σ = 66202080. Its totient is φ = 66164748.

The previous prime is 66183361. The next prime is 66183433. The reversal of 66183413 is 31438166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66183413 - 2⁸ = 66183157 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 66183413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66183433) 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, 2195 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (16550520).

Almost surely, 2^66183413 is an apocalyptic number.

It is an amenable number.

66183413 is a deficient number, since it is larger than the sum of its proper divisors (18667).

66183413 is a wasteful number, since it uses less digits than its factorization.

66183413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666.

The product of its digits is 10368, while the sum is 32.

The square root of 66183413 is about 8135.3188628351. The cubic root of 66183413 is about 404.4980073171.

The spelling of 66183413 in words is "sixty-six million, one hundred eighty-three thousand, four hundred thirteen".