41405544165 has 64 divisors (see below), whose sum is σ = 74905896960. Its totient is φ = 19419832320.

The previous prime is 41405544149. The next prime is 41405544179. The reversal of 41405544165 is 56144550414.

It is not a de Polignac number, because 41405544165 - 2⁴ = 41405544149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138937 + ... + 319553.

It is an arithmetic number, because the mean of its divisors is an integer number (1170404640).

Almost surely, 2^41405544165 is an apocalyptic number.

It is an amenable number.

41405544165 is a deficient number, since it is larger than the sum of its proper divisors (33500352795).

41405544165 is a wasteful number, since it uses less digits than its factorization.

41405544165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180702.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 41405544165 in words is "forty-one billion, four hundred five million, five hundred forty-four thousand, one hundred sixty-five".