6626620626 has 8 divisors (see below), whose sum is σ = 13253241264. Its totient is φ = 2208873540.

The previous prime is 6626620607. The next prime is 6626620631. The reversal of 6626620626 is 6260266266.

It is a sphenic number, since it is the product of 3 distinct primes.

6626620626 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 552218380 + ... + 552218391.

It is an arithmetic number, because the mean of its divisors is an integer number (1656655158).

Almost surely, 2^6626620626 is an apocalyptic number.

6626620626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6626620626 is a wasteful number, since it uses less digits than its factorization.

6626620626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104436776.

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 6626620626 is about 81404.0577981221. The cubic root of 6626620626 is about 1878.2960101430.

The spelling of 6626620626 in words is "six billion, six hundred twenty-six million, six hundred twenty thousand, six hundred twenty-six".