626664213464 has 32 divisors (see below), whose sum is σ = 1244149729200. Its totient is φ = 294892047360.

The previous prime is 626664213457. The next prime is 626664213467. The reversal of 626664213464 is 464312466626.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626664213467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8091404 + ... + 8168484.

Almost surely, 2^626664213464 is an apocalyptic number.

It is an amenable number.

626664213464 is a deficient number, since it is larger than the sum of its proper divisors (617485515736).

626664213464 is a wasteful number, since it uses less digits than its factorization.

626664213464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136883 (or 136879 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 50.

The spelling of 626664213464 in words is "six hundred twenty-six billion, six hundred sixty-four million, two hundred thirteen thousand, four hundred sixty-four".