641013176 has 8 divisors (see below), whose sum is σ = 1201899720. Its totient is φ = 320506584.

The previous prime is 641013173. The next prime is 641013181. The reversal of 641013176 is 671310146.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641013173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40063316 + ... + 40063331.

It is an arithmetic number, because the mean of its divisors is an integer number (150237465).

Almost surely, 2^641013176 is an apocalyptic number.

It is an amenable number.

641013176 is a deficient number, since it is larger than the sum of its proper divisors (560886544).

641013176 is a wasteful number, since it uses less digits than its factorization.

641013176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80126653 (or 80126649 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 641013176 is about 25318.2380113625. The cubic root of 641013176 is about 862.2283907352.

The spelling of 641013176 in words is "six hundred forty-one million, thirteen thousand, one hundred seventy-six".