2023619616 has 216 divisors, whose sum is σ = 6272750484. Its totient is φ = 618332160.

The previous prime is 2023619569. The next prime is 2023619617. The reversal of 2023619616 is 6169163202.

It is a happy number.

2023619616 is a `hidden beast` number, since 2 + 0 + 2 + 36 + 1 + 9 + 616 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1155728016 + 867891600 = 33996^2 + 29460^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2023619617) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3412216 + ... + 3412808.

Almost surely, 2^2023619616 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 2023619616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3136375242).

2023619616 is an abundant number, since it is smaller than the sum of its proper divisors (4249130868).

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

2023619616 is a wasteful number, since it uses less digits than its factorization.

2023619616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2023619616 is about 44984.6597853090. The cubic root of 2023619616 is about 1264.8614607664.

The spelling of 2023619616 in words is "two billion, twenty-three million, six hundred nineteen thousand, six hundred sixteen".