2086557599124 has 144 divisors (see below), whose sum is σ = 5441075640000. Its totient is φ = 673944261120.

The previous prime is 2086557599089. The next prime is 2086557599149. The reversal of 2086557599124 is 4219957556802.

2086557599124 is a `hidden beast` number, since 2 + 0 + 8 + 6 + 557 + 59 + 9 + 1 + 24 = 666.

It is a super-2 number, since 2×2086557599124² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41433192 + ... + 41483520.

It is an arithmetic number, because the mean of its divisors is an integer number (37785247500).

Almost surely, 2^{2086557599124} 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 2086557599124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2720537820000).

2086557599124 is an abundant number, since it is smaller than the sum of its proper divisors (3354518040876).

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

2086557599124 is a wasteful number, since it uses less digits than its factorization.

2086557599124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50678 (or 50673 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 63.

The spelling of 2086557599124 in words is "two trillion, eighty-six billion, five hundred fifty-seven million, five hundred ninety-nine thousand, one hundred twenty-four".