66430652 has 12 divisors (see below), whose sum is σ = 117169920. Its totient is φ = 32953536.

The previous prime is 66430633. The next prime is 66430673. The reversal of 66430652 is 25603466.

It is a congruent number.

It is an unprimeable number.

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, 64877 + ... + 65892.

It is an arithmetic number, because the mean of its divisors is an integer number (9764160).

Almost surely, 2^66430652 is an apocalyptic number.

It is an amenable number.

66430652 is a deficient number, since it is larger than the sum of its proper divisors (50739268).

66430652 is a wasteful number, since it uses less digits than its factorization.

66430652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130900 (or 130898 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 66430652 is about 8150.5001073554. The cubic root of 66430652 is about 405.0010709721.

The spelling of 66430652 in words is "sixty-six million, four hundred thirty thousand, six hundred fifty-two".