306642663136 has 12 divisors (see below), whose sum is σ = 603702743112. Its totient is φ = 153321331552.

The previous prime is 306642663133. The next prime is 306642663233. The reversal of 306642663136 is 631366246603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306642663133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4791291580 + ... + 4791291643.

It is an arithmetic number, because the mean of its divisors is an integer number (50308561926).

Almost surely, 2^306642663136 is an apocalyptic number.

It is an amenable number.

306642663136 is a deficient number, since it is larger than the sum of its proper divisors (297060079976).

306642663136 is an equidigital number, since it uses as much as digits as its factorization.

306642663136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582583233 (or 9582583225 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 306642663136 in words is "three hundred six billion, six hundred forty-two million, six hundred sixty-three thousand, one hundred thirty-six".