2685366100 has 72 divisors (see below), whose sum is σ = 5890123008. Its totient is φ = 1062633600.

The previous prime is 2685366091. The next prime is 2685366113. The reversal of 2685366100 is 16635862.

It is a super-2 number, since 2×2685366100² = 14422382182058420000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2685366100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5338449 + ... + 5338951.

It is an arithmetic number, because the mean of its divisors is an integer number (81807264).

Almost surely, 2^2685366100 is an apocalyptic number.

2685366100 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 2685366100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945061504).

2685366100 is an abundant number, since it is smaller than the sum of its proper divisors (3204756908).

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

2685366100 is a wasteful number, since it uses less digits than its factorization.

2685366100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2685366100 is about 51820.5181371240. The cubic root of 2685366100 is about 1389.9563673483.

The spelling of 2685366100 in words is "two billion, six hundred eighty-five million, three hundred sixty-six thousand, one hundred".