545999906191872 has 160 divisors (see below), whose sum is σ = 1591817959790784. Its totient is φ = 164932576870400.

The previous prime is 545999906191843. The next prime is 545999906191919. The reversal of 545999906191872 is 278191609999545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45614529 + ... + 56326592.

Almost surely, 2^{545999906191872} is an apocalyptic number.

It is an amenable number.

545999906191872 is an abundant number, since it is smaller than the sum of its proper divisors (1045818053598912).

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

545999906191872 is a wasteful number, since it uses less digits than its factorization.

545999906191872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101941470 (or 101941454 counting only the distinct ones).

The product of its (nonzero) digits is 3968092800, while the sum is 84.

The spelling of 545999906191872 in words is "five hundred forty-five trillion, nine hundred ninety-nine billion, nine hundred six million, one hundred ninety-one thousand, eight hundred seventy-two".