8019109266 has 64 divisors (see below), whose sum is σ = 18625324032. Its totient is φ = 2254266432.

The previous prime is 8019109249. The next prime is 8019109289. The reversal of 8019109266 is 6629019108.

It is a super-2 number, since 2×8019109266² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014580 + ... + 4016576.

It is an arithmetic number, because the mean of its divisors is an integer number (291020688).

Almost surely, 2^8019109266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8019109266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9312662016).

8019109266 is an abundant number, since it is smaller than the sum of its proper divisors (10606214766).

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

8019109266 is a wasteful number, since it uses less digits than its factorization.

8019109266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 8019109266 is about 89549.4794289727. The cubic root of 8019109266 is about 2001.5911725825.

The spelling of 8019109266 in words is "eight billion, nineteen million, one hundred nine thousand, two hundred sixty-six".