41687663768 has 32 divisors (see below), whose sum is σ = 78435756000. Its totient is φ = 20771592192.

The previous prime is 41687663749. The next prime is 41687663791. The reversal of 41687663768 is 86736678614.

It is a super-2 number, since 2×41687663768² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41687663768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757446 + ... + 2772522.

It is an arithmetic number, because the mean of its divisors is an integer number (2451117375).

Almost surely, 2^41687663768 is an apocalyptic number.

It is an amenable number.

41687663768 is a deficient number, since it is larger than the sum of its proper divisors (36748092232).

41687663768 is a wasteful number, since it uses less digits than its factorization.

41687663768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259 (or 16255 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 62.

The spelling of 41687663768 in words is "forty-one billion, six hundred eighty-seven million, six hundred sixty-three thousand, seven hundred sixty-eight".