101065986 has 96 divisors (see below), whose sum is σ = 274285440. Its totient is φ = 26224128.

The previous prime is 101065973. The next prime is 101066033. The reversal of 101065986 is 689560101.

It is a self number, because there is not a number n which added to its sum of digits gives 101065986.

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, 61305 + ... + 62931.

It is an arithmetic number, because the mean of its divisors is an integer number (2857140).

Almost surely, 2^101065986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101065986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137142720).

101065986 is an abundant number, since it is smaller than the sum of its proper divisors (173219454).

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

101065986 is a wasteful number, since it uses less digits than its factorization.

101065986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 101065986 is about 10053.1580112918. The cubic root of 101065986 is about 465.8023469955.

The spelling of 101065986 in words is "one hundred one million, sixty-five thousand, nine hundred eighty-six".