10199021768 has 64 divisors (see below), whose sum is σ = 20799979200. Its totient is φ = 4660381440.

The previous prime is 10199021753. The next prime is 10199021773. The reversal of 10199021768 is 86712099101.

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, 10067630 + ... + 10068642.

It is an arithmetic number, because the mean of its divisors is an integer number (324999675).

Almost surely, 2^10199021768 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 10199021768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10399989600).

10199021768 is an abundant number, since it is smaller than the sum of its proper divisors (10600957432).

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

10199021768 is a wasteful number, since it uses less digits than its factorization.

10199021768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 10199021768 in words is "ten billion, one hundred ninety-nine million, twenty-one thousand, seven hundred sixty-eight".