101720075268 has 96 divisors (see below), whose sum is σ = 285618672640. Its totient is φ = 27524707200.

The previous prime is 101720075239. The next prime is 101720075299. The reversal of 101720075268 is 862570027101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6457530 + ... + 6473262.

Almost surely, 2^101720075268 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 101720075268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142809336320).

101720075268 is an abundant number, since it is smaller than the sum of its proper divisors (183898597372).

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

101720075268 is a wasteful number, since it uses less digits than its factorization.

101720075268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19817 (or 19815 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 101720075268 in words is "one hundred one billion, seven hundred twenty million, seventy-five thousand, two hundred sixty-eight".