41801661783791 has 32 divisors (see below), whose sum is σ = 53750310512640. Its totient is φ = 31597408174464.

The previous prime is 41801661783773. The next prime is 41801661783803. The reversal of 41801661783791 is 19738716610814.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41801661783791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41801661783701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10411196 + ... + 13856273.

It is an arithmetic number, because the mean of its divisors is an integer number (1679697203520).

Almost surely, 2^{41801661783791} is an apocalyptic number.

41801661783791 is a deficient number, since it is larger than the sum of its proper divisors (11948648728849).

41801661783791 is a wasteful number, since it uses less digits than its factorization.

41801661783791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24268335.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The spelling of 41801661783791 in words is "forty-one trillion, eight hundred one billion, six hundred sixty-one million, seven hundred eighty-three thousand, seven hundred ninety-one".