10166985392 has 10 divisors (see below), whose sum is σ = 19698534228. Its totient is φ = 5083492688.

The previous prime is 10166985391. The next prime is 10166985397. The reversal of 10166985392 is 29358966101.

It is a happy number.

It is a super-2 number, since 2×10166985392² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10166985392.

It is not an unprimeable number, because it can be changed into a prime (10166985391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317718278 + ... + 317718309.

Almost surely, 2^10166985392 is an apocalyptic number.

It is an amenable number.

10166985392 is a deficient number, since it is larger than the sum of its proper divisors (9531548836).

10166985392 is an equidigital number, since it uses as much as digits as its factorization.

10166985392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635436595 (or 635436589 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 10166985392 in words is "ten billion, one hundred sixty-six million, nine hundred eighty-five thousand, three hundred ninety-two".