66080930 has 32 divisors (see below), whose sum is σ = 124186608. Its totient is φ = 25292800.

The previous prime is 66080929. The next prime is 66080941. The reversal of 66080930 is 3908066.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38402809 + 27678121 = 6197^2 + 5261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20210 + ... + 23250.

Almost surely, 2^66080930 is an apocalyptic number.

66080930 is a deficient number, since it is larger than the sum of its proper divisors (58105678).

66080930 is a wasteful number, since it uses less digits than its factorization.

66080930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 66080930 is about 8129.0177758448. The cubic root of 66080930 is about 404.2891151760.

Adding to 66080930 its reverse (3908066), we get a palindrome (69988996).

The spelling of 66080930 in words is "sixty-six million, eighty thousand, nine hundred thirty".