9966862592 has 18 divisors (see below), whose sum is σ = 19894792638. Its totient is φ = 4983431168.

The previous prime is 9966862579. The next prime is 9966862597. The reversal of 9966862592 is 2952686699.

It can be written as a sum of positive squares in only one way, i.e., 5790601216 + 4176261376 = 76096^2 + 64624^2 .

It is not an unprimeable number, because it can be changed into a prime (9966862597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19466273 + ... + 19466784.

Almost surely, 2^9966862592 is an apocalyptic number.

It is an amenable number.

9966862592 is a deficient number, since it is larger than the sum of its proper divisors (9927930046).

9966862592 is an equidigital number, since it uses as much as digits as its factorization.

9966862592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38933073 (or 38933059 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The square root of 9966862592 is about 99834.1754711281. The cubic root of 9966862592 is about 2152.0523105170.

The spelling of 9966862592 in words is "nine billion, nine hundred sixty-six million, eight hundred sixty-two thousand, five hundred ninety-two".