68041650481 has 16 divisors (see below), whose sum is σ = 84495093760. Its totient is φ = 53469545040.

The previous prime is 68041650449. The next prime is 68041650497. The reversal of 68041650481 is 18405614086.

It is a cyclic number.

It is not a de Polignac number, because 68041650481 - 2⁵ = 68041650449 is a prime.

It is a super-2 number, since 2×68041650481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68041654481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8247351 + ... + 8255596.

It is an arithmetic number, because the mean of its divisors is an integer number (5280943360).

Almost surely, 2^68041650481 is an apocalyptic number.

It is an amenable number.

68041650481 is a deficient number, since it is larger than the sum of its proper divisors (16453443279).

68041650481 is a wasteful number, since it uses less digits than its factorization.

68041650481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503004.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 68041650481 in words is "sixty-eight billion, forty-one million, six hundred fifty thousand, four hundred eighty-one".