2667886620 has 96 divisors (see below), whose sum is σ = 8548151808. Its totient is φ = 609023232.

The previous prime is 2667886597. The next prime is 2667886649. The reversal of 2667886620 is 266887662.

It is a happy number.

It is a congruent 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, 364719 + ... + 371961.

It is an arithmetic number, because the mean of its divisors is an integer number (89043248).

Almost surely, 2^2667886620 is an apocalyptic number.

2667886620 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 2667886620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4274075904).

2667886620 is an abundant number, since it is smaller than the sum of its proper divisors (5880265188).

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

2667886620 is a wasteful number, since it uses less digits than its factorization.

2667886620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139 (or 8137 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2667886620 is about 51651.5887461364. The cubic root of 2667886620 is about 1386.9339835614.

The spelling of 2667886620 in words is "two billion, six hundred sixty-seven million, eight hundred eighty-six thousand, six hundred twenty".