65630006 has 32 divisors (see below), whose sum is σ = 109353888. Its totient is φ = 29352960.

The previous prime is 65629981. The next prime is 65630021. The reversal of 65630006 is 60003656.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 133421 + ... + 133911.

It is an arithmetic number, because the mean of its divisors is an integer number (3417309).

Almost surely, 2^65630006 is an apocalyptic number.

65630006 is a deficient number, since it is larger than the sum of its proper divisors (43723882).

65630006 is a wasteful number, since it uses less digits than its factorization.

65630006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 65630006 is about 8101.2348441457. The cubic root of 65630006 is about 403.3674175296.

The spelling of 65630006 in words is "sixty-five million, six hundred thirty thousand, six".