68015897600 has 264 divisors, whose sum is σ = 193380384768. Its totient is φ = 23235379200.

The previous prime is 68015897519. The next prime is 68015897633. The reversal of 68015897600 is 679851086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 68633105 + ... + 68634095.

Almost surely, 2^68015897600 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 68015897600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96690192384).

68015897600 is an abundant number, since it is smaller than the sum of its proper divisors (125364487168).

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

68015897600 is a wasteful number, since it uses less digits than its factorization.

68015897600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 68015897600 in words is "sixty-eight billion, fifteen million, eight hundred ninety-seven thousand, six hundred".