2686167660 has 96 divisors (see below), whose sum is σ = 8280518400. Its totient is φ = 645200640.

The previous prime is 2686167611. The next prime is 2686167661. The reversal of 2686167660 is 667616862.

It is not an unprimeable number, because it can be changed into a prime (2686167661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53271 + ... + 90609.

It is an arithmetic number, because the mean of its divisors is an integer number (86255400).

Almost surely, 2^2686167660 is an apocalyptic number.

2686167660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686167660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4140259200).

2686167660 is an abundant number, since it is smaller than the sum of its proper divisors (5594350740).

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

2686167660 is a wasteful number, since it uses less digits than its factorization.

2686167660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37471 (or 37469 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2686167660 is about 51828.2515622513. The cubic root of 2686167660 is about 1390.0946504911.

The spelling of 2686167660 in words is "two billion, six hundred eighty-six million, one hundred sixty-seven thousand, six hundred sixty".