306640062466 has 4 divisors (see below), whose sum is σ = 459960093702. Its totient is φ = 153320031232.

The previous prime is 306640062439. The next prime is 306640062479. The reversal of 306640062466 is 664260046603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664260046603 = 1171 ⋅567258793.

It can be written as a sum of positive squares in only one way, i.e., 256365005625 + 50275056841 = 506325^2 + 224221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76660015615 + ... + 76660015618.

Almost surely, 2^306640062466 is an apocalyptic number.

306640062466 is a deficient number, since it is larger than the sum of its proper divisors (153320031236).

306640062466 is a wasteful number, since it uses less digits than its factorization.

306640062466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153320031235.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 306640062466 in words is "three hundred six billion, six hundred forty million, sixty-two thousand, four hundred sixty-six".