41666513533 has 4 divisors (see below), whose sum is σ = 41749350048. Its totient is φ = 41583677020.

The previous prime is 41666513491. The next prime is 41666513557. The reversal of 41666513533 is 33531566614.

It is a happy number.

41666513533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41666513533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41666513533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666519533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41417503 + ... + 41418508.

It is an arithmetic number, because the mean of its divisors is an integer number (10437337512).

Almost surely, 2^41666513533 is an apocalyptic number.

It is an amenable number.

41666513533 is a deficient number, since it is larger than the sum of its proper divisors (82836515).

41666513533 is an equidigital number, since it uses as much as digits as its factorization.

41666513533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82836514.

The product of its digits is 583200, while the sum is 43.

The spelling of 41666513533 in words is "forty-one billion, six hundred sixty-six million, five hundred thirteen thousand, five hundred thirty-three".