641702216 has 16 divisors (see below), whose sum is σ = 1217689200. Its totient is φ = 316985104.

The previous prime is 641702207. The next prime is 641702221. The reversal of 641702216 is 612207146.

641702216 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 3 ways as a sum of consecutive naturals, for example, 482546 + ... + 483873.

It is an arithmetic number, because the mean of its divisors is an integer number (76105575).

Almost surely, 2^641702216 is an apocalyptic number.

It is an amenable number.

641702216 is a deficient number, since it is larger than the sum of its proper divisors (575986984).

641702216 is a wasteful number, since it uses less digits than its factorization.

641702216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966508 (or 966504 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 641702216 is about 25331.8419385563. The cubic root of 641702216 is about 862.5372232342.

The spelling of 641702216 in words is "six hundred forty-one million, seven hundred two thousand, two hundred sixteen".