1995757568 has 192 divisors, whose sum is σ = 5094835200. Its totient is φ = 760872960.

The previous prime is 1995757513. The next prime is 1995757571. The reversal of 1995757568 is 8657575991.

It is a self number, because there is not a number n which added to its sum of digits gives 1995757568.

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, 4630313 + ... + 4630743.

It is an arithmetic number, because the mean of its divisors is an integer number (26535600).

Almost surely, 2^1995757568 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 1995757568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547417600).

1995757568 is an abundant number, since it is smaller than the sum of its proper divisors (3099077632).

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

1995757568 is a wasteful number, since it uses less digits than its factorization.

1995757568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 476 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 62.

The square root of 1995757568 is about 44673.9025382829. The cubic root of 1995757568 is about 1259.0295643564.

The spelling of 1995757568 in words is "one billion, nine hundred ninety-five million, seven hundred fifty-seven thousand, five hundred sixty-eight".