66459371 has 12 divisors (see below), whose sum is σ = 73735200. Its totient is φ = 59851440.

The previous prime is 66459353. The next prime is 66459373. The reversal of 66459371 is 17395466.

It is a de Polignac number, because none of the positive numbers 2^k-66459371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66459373) 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 11 ways as a sum of consecutive naturals, for example, 10670 + ... + 15708.

It is an arithmetic number, because the mean of its divisors is an integer number (6144600).

Almost surely, 2^66459371 is an apocalyptic number.

66459371 is a deficient number, since it is larger than the sum of its proper divisors (7275829).

66459371 is a wasteful number, since it uses less digits than its factorization.

66459371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5159 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 66459371 is about 8152.2617107156. The cubic root of 66459371 is about 405.0594253095.

The spelling of 66459371 in words is "sixty-six million, four hundred fifty-nine thousand, three hundred seventy-one".