2124600816 has 80 divisors (see below), whose sum is σ = 5917878176. Its totient is φ = 652935168.

The previous prime is 2124600787. The next prime is 2124600847. The reversal of 2124600816 is 6180064212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717996 + ... + 720948.

Almost surely, 2^2124600816 is an apocalyptic number.

2124600816 is a gapful number since it is divisible by the number (26) 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 2124600816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958939088).

2124600816 is an abundant number, since it is smaller than the sum of its proper divisors (3793277360).

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

2124600816 is a wasteful number, since it uses less digits than its factorization.

2124600816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2124600816 is about 46093.3923247140. The cubic root of 2124600816 is about 1285.5602871920.

The spelling of 2124600816 in words is "two billion, one hundred twenty-four million, six hundred thousand, eight hundred sixteen".