10199066 has 4 divisors (see below), whose sum is σ = 15298602. Its totient is φ = 5099532.

The previous prime is 10199053. The next prime is 10199069. The reversal of 10199066 is 66099101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66099101 = 167 ⋅395803.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 93025 = 3179^2 + 305^2 .

It is not an unprimeable number, because it can be changed into a prime (10199069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549765 + ... + 2549768.

Almost surely, 2^10199066 is an apocalyptic number.

10199066 is a deficient number, since it is larger than the sum of its proper divisors (5099536).

10199066 is an equidigital number, since it uses as much as digits as its factorization.

10199066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099535.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 10199066 is about 3193.5976578148. The cubic root of 10199066 is about 216.8636688181.

The spelling of 10199066 in words is "ten million, one hundred ninety-nine thousand, sixty-six".