641016141 has 16 divisors (see below), whose sum is σ = 892754304. Its totient is φ = 408348864.

The previous prime is 641016137. The next prime is 641016149. The reversal of 641016141 is 141610146.

It is not a de Polignac number, because 641016141 - 2² = 641016137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641016149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72915 + ... + 81231.

It is an arithmetic number, because the mean of its divisors is an integer number (55797144).

Almost surely, 2^641016141 is an apocalyptic number.

It is an amenable number.

641016141 is a deficient number, since it is larger than the sum of its proper divisors (251738163).

641016141 is a wasteful number, since it uses less digits than its factorization.

641016141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 641016141 is about 25318.2965659224. The cubic root of 641016141 is about 862.2297201427.

Adding to 641016141 its reverse (141610146), we get a palindrome (782626287).

The spelling of 641016141 in words is "six hundred forty-one million, sixteen thousand, one hundred forty-one".