669062628486 has 24 divisors (see below), whose sum is σ = 1656726508944. Its totient is φ = 191160750960.

The previous prime is 669062628463. The next prime is 669062628503. The reversal of 669062628486 is 684826260966.

669062628486 is a `hidden beast` number, since 6 + 6 + 90 + 6 + 2 + 62 + 8 + 486 = 666.

669062628486 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2655010305 + ... + 2655010556.

It is an arithmetic number, because the mean of its divisors is an integer number (69030271206).

Almost surely, 2^669062628486 is an apocalyptic number.

669062628486 is an abundant number, since it is smaller than the sum of its proper divisors (987663880458).

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

669062628486 is a wasteful number, since it uses less digits than its factorization.

669062628486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310020876 (or 5310020873 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 669062628486 in words is "six hundred sixty-nine billion, sixty-two million, six hundred twenty-eight thousand, four hundred eighty-six".