10501006165986 has 96 divisors (see below), whose sum is σ = 25499075374080. Its totient is φ = 2823598128384.

The previous prime is 10501006165927. The next prime is 10501006166009. The reversal of 10501006165986 is 68956160010501.

It is a super-2 number, since 2×10501006165986² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259526625 + ... + 259567083.

It is an arithmetic number, because the mean of its divisors is an integer number (265615368480).

Almost surely, 2^{10501006165986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10501006165986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749537687040).

10501006165986 is an abundant number, since it is smaller than the sum of its proper divisors (14998069208094).

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

10501006165986 is a wasteful number, since it uses less digits than its factorization.

10501006165986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61888 (or 61871 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 10501006165986 in words is "ten trillion, five hundred one billion, six million, one hundred sixty-five thousand, nine hundred eighty-six".