41691708864 has 84 divisors (see below), whose sum is σ = 128694221656. Its totient is φ = 12828215808.

The previous prime is 41691708841. The next prime is 41691708869. The reversal of 41691708864 is 46880719614.

41691708864 is a `hidden beast` number, since 416 + 91 + 7 + 0 + 88 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 41691708864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41691708869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2776414 + ... + 2791389.

Almost surely, 2^41691708864 is an apocalyptic number.

It is an amenable number.

41691708864 is an abundant number, since it is smaller than the sum of its proper divisors (87002512792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41691708864 is a wasteful number, since it uses less digits than its factorization.

41691708864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567834 (or 5567821 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 41691708864 in words is "forty-one billion, six hundred ninety-one million, seven hundred eight thousand, eight hundred sixty-four".