9992051066 has 4 divisors (see below), whose sum is σ = 14988076602. Its totient is φ = 4996025532.

The previous prime is 9992051063. The next prime is 9992051071. The reversal of 9992051066 is 6601502999.

9992051066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6678321841 + 3313729225 = 81721^2 + 57565^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9992051066.

It is not an unprimeable number, because it can be changed into a prime (9992051063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498012765 + ... + 2498012768.

Almost surely, 2^9992051066 is an apocalyptic number.

9992051066 is a deficient number, since it is larger than the sum of its proper divisors (4996025536).

9992051066 is a wasteful number, since it uses less digits than its factorization.

9992051066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996025535.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 9992051066 is about 99960.2474286654. The cubic root of 9992051066 is about 2153.8636900718.

The spelling of 9992051066 in words is "nine billion, nine hundred ninety-two million, fifty-one thousand, sixty-six".