626040066667 has 16 divisors (see below), whose sum is σ = 661181875200. Its totient is φ = 591120270720.

The previous prime is 626040066643. The next prime is 626040066677. The reversal of 626040066667 is 766660040626.

It is a cyclic number.

It is not a de Polignac number, because 626040066667 - 2¹⁹ = 626039542379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 626040066667.

It is not an unprimeable number, because it can be changed into a prime (626040066677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8224818 + ... + 8300584.

It is an arithmetic number, because the mean of its divisors is an integer number (41323867200).

Almost surely, 2^626040066667 is an apocalyptic number.

626040066667 is a deficient number, since it is larger than the sum of its proper divisors (35141808533).

626040066667 is a wasteful number, since it uses less digits than its factorization.

626040066667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77226.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 626040066667 in words is "six hundred twenty-six billion, forty million, sixty-six thousand, six hundred sixty-seven".