1805141917164 has 96 divisors (see below), whose sum is σ = 4296347032320. Its totient is φ = 589771404288.

The previous prime is 1805141917153. The next prime is 1805141917181. The reversal of 1805141917164 is 4617191415081.

It is a super-2 number, since 2×1805141917164² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337596339 + ... + 337601685.

It is an arithmetic number, because the mean of its divisors is an integer number (44753614920).

Almost surely, 2^{1805141917164} is an apocalyptic number.

It is an amenable number.

1805141917164 is an abundant number, since it is smaller than the sum of its proper divisors (2491205115156).

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

1805141917164 is a wasteful number, since it uses less digits than its factorization.

1805141917164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759 (or 7757 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 1805141917164 in words is "one trillion, eight hundred five billion, one hundred forty-one million, nine hundred seventeen thousand, one hundred sixty-four".