641828067 has 16 divisors (see below), whose sum is σ = 865159680. Its totient is φ = 423216000.

The previous prime is 641828053. The next prime is 641828069. The reversal of 641828067 is 760828146.

It is not a de Polignac number, because 641828067 - 2⁶ = 641828003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641828069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106234 + ... + 112112.

It is an arithmetic number, because the mean of its divisors is an integer number (54072480).

Almost surely, 2^641828067 is an apocalyptic number.

641828067 is a deficient number, since it is larger than the sum of its proper divisors (223331613).

641828067 is a wasteful number, since it uses less digits than its factorization.

641828067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 641828067 is about 25334.3258643288. The cubic root of 641828067 is about 862.5936066437.

The spelling of 641828067 in words is "six hundred forty-one million, eight hundred twenty-eight thousand, sixty-seven".