41645516164 has 48 divisors (see below), whose sum is σ = 85197611520. Its totient is φ = 17440727040.

The previous prime is 41645516153. The next prime is 41645516173. The reversal of 41645516164 is 46161554614.

It is a self number, because there is not a number n which added to its sum of digits gives 41645516164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818872 + ... + 868240.

It is an arithmetic number, because the mean of its divisors is an integer number (1774950240).

Almost surely, 2^41645516164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41645516164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42598805760).

41645516164 is an abundant number, since it is smaller than the sum of its proper divisors (43552095356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41645516164 is a wasteful number, since it uses less digits than its factorization.

41645516164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50068 (or 50066 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 41645516164 in words is "forty-one billion, six hundred forty-five million, five hundred sixteen thousand, one hundred sixty-four".