629664168 has 64 divisors (see below), whose sum is σ = 1833010560. Its totient is φ = 176507136.

The previous prime is 629664149. The next prime is 629664223. The reversal of 629664168 is 861466926.

It is a happy number.

629664168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26455 + ... + 44262.

It is an arithmetic number, because the mean of its divisors is an integer number (28640790).

Almost surely, 2^629664168 is an apocalyptic number.

It is an amenable number.

629664168 is an abundant number, since it is smaller than the sum of its proper divisors (1203346392).

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

629664168 is a wasteful number, since it uses less digits than its factorization.

629664168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70786 (or 70782 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 629664168 is about 25093.1099706672. The cubic root of 629664168 is about 857.1095352443.

The spelling of 629664168 in words is "six hundred twenty-nine million, six hundred sixty-four thousand, one hundred sixty-eight".