66662341 has 4 divisors (see below), whose sum is σ = 68212672. Its totient is φ = 65112012.

The previous prime is 66662327. The next prime is 66662353. The reversal of 66662341 is 14326666.

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 66662341 - 2¹³ = 66654149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66662297 and 66662306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66662371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775101 + ... + 775186.

It is an arithmetic number, because the mean of its divisors is an integer number (17053168).

Almost surely, 2^66662341 is an apocalyptic number.

It is an amenable number.

66662341 is a deficient number, since it is larger than the sum of its proper divisors (1550331).

66662341 is a wasteful number, since it uses less digits than its factorization.

66662341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550330.

The product of its digits is 31104, while the sum is 34.

The square root of 66662341 is about 8164.7009130770. The cubic root of 66662341 is about 405.4713629891.

The spelling of 66662341 in words is "sixty-six million, six hundred sixty-two thousand, three hundred forty-one".