4091638173320 has 16 divisors (see below), whose sum is σ = 9206185890060. Its totient is φ = 1636655269312.

The previous prime is 4091638173307. The next prime is 4091638173353. The reversal of 4091638173320 is 233718361904.

It can be written as a sum of positive squares in 2 ways, for example, as 4047347287204 + 44290886116 = 2011802^2 + 210454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51145477127 + ... + 51145477206.

Almost surely, 2^{4091638173320} is an apocalyptic number.

4091638173320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4091638173320 is an abundant number, since it is smaller than the sum of its proper divisors (5114547716740).

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

4091638173320 is a wasteful number, since it uses less digits than its factorization.

4091638173320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102290954344 (or 102290954340 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 4091638173320 in words is "four trillion, ninety-one billion, six hundred thirty-eight million, one hundred seventy-three thousand, three hundred twenty".