641741116 has 24 divisors (see below), whose sum is σ = 1188799920. Its totient is φ = 302598912.

The previous prime is 641741081. The next prime is 641741117. The reversal of 641741116 is 611147146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641741117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59341 + ... + 69316.

It is an arithmetic number, because the mean of its divisors is an integer number (49533330).

Almost surely, 2^641741116 is an apocalyptic number.

It is an amenable number.

641741116 is a deficient number, since it is larger than the sum of its proper divisors (547058804).

641741116 is a wasteful number, since it uses less digits than its factorization.

641741116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128733 (or 128731 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 641741116 is about 25332.6097352799. The cubic root of 641741116 is about 862.5546518895.

The spelling of 641741116 in words is "six hundred forty-one million, seven hundred forty-one thousand, one hundred sixteen".