8269166340 has 96 divisors (see below), whose sum is σ = 25870320000. Its totient is φ = 2192766336.

The previous prime is 8269166329. The next prime is 8269166351. The reversal of 8269166340 is 436619628.

8269166340 is a `hidden beast` number, since 8 + 2 + 6 + 9 + 1 + 6 + 634 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (8269166329) and next prime (8269166351).

It is a super-2 number, since 2×8269166340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53886 + ... + 139434.

It is an arithmetic number, because the mean of its divisors is an integer number (269482500).

Almost surely, 2^8269166340 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 8269166340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12935160000).

8269166340 is an abundant number, since it is smaller than the sum of its proper divisors (17601153660).

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

8269166340 is a wasteful number, since it uses less digits than its factorization.

8269166340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85746 (or 85738 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 8269166340 is about 90934.9566448459. The cubic root of 8269166340 is about 2022.1835633613.

The spelling of 8269166340 in words is "eight billion, two hundred sixty-nine million, one hundred sixty-six thousand, three hundred forty".