641068 has 12 divisors (see below), whose sum is σ = 1130920. Its totient is φ = 317952.

The previous prime is 641057. The next prime is 641077. The reversal of 641068 is 860146.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

641068 is a Rhonda number in base 16.

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, 21 + ... + 1132.

2⁶⁴¹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

641068 is a deficient number, since it is larger than the sum of its proper divisors (489852).

641068 is a wasteful number, since it uses less digits than its factorization.

641068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 641068 is about 800.6672217595. The cubic root of 641068 is about 86.2252971333.

The spelling of 641068 in words is "six hundred forty-one thousand, sixty-eight".