641616214 has 16 divisors (see below), whose sum is σ = 970995456. Its totient is φ = 317961000.

The previous prime is 641616179. The next prime is 641616259. The reversal of 641616214 is 412616146.

641616214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146119 + ... + 150445.

It is an arithmetic number, because the mean of its divisors is an integer number (60687216).

Almost surely, 2^641616214 is an apocalyptic number.

641616214 is a deficient number, since it is larger than the sum of its proper divisors (329379242).

641616214 is a wasteful number, since it uses less digits than its factorization.

641616214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971.

The product of its digits is 6912, while the sum is 31.

The square root of 641616214 is about 25330.1443738483. The cubic root of 641616214 is about 862.4986886208.

The spelling of 641616214 in words is "six hundred forty-one million, six hundred sixteen thousand, two hundred fourteen".