41684861581 has 8 divisors (see below), whose sum is σ = 46583526528. Its totient is φ = 36971052000.

The previous prime is 41684861567. The next prime is 41684861657. The reversal of 41684861581 is 18516848614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41684861581 - 2¹³ = 41684853389 is a prime.

It is a super-2 number, since 2×41684861581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41684861531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46213365 + ... + 46214266.

It is an arithmetic number, because the mean of its divisors is an integer number (5822940816).

Almost surely, 2^41684861581 is an apocalyptic number.

41684861581 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41684861581 is a deficient number, since it is larger than the sum of its proper divisors (4898664947).

41684861581 is a wasteful number, since it uses less digits than its factorization.

41684861581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92427683.

The product of its digits is 1474560, while the sum is 52.

The spelling of 41684861581 in words is "forty-one billion, six hundred eighty-four million, eight hundred sixty-one thousand, five hundred eighty-one".