16099066 has 4 divisors (see below), whose sum is σ = 24148602. Its totient is φ = 8049532.

The previous prime is 16099049. The next prime is 16099079. The reversal of 16099066 is 66099061.

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., 9703225 + 6395841 = 3115^2 + 2529^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4024765 + ... + 4024768.

Almost surely, 2^16099066 is an apocalyptic number.

16099066 is a deficient number, since it is larger than the sum of its proper divisors (8049536).

16099066 is an equidigital number, since it uses as much as digits as its factorization.

16099066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8049535.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 16099066 is about 4012.3641410022. The cubic root of 16099066 is about 252.5032042204.

The spelling of 16099066 in words is "sixteen million, ninety-nine thousand, sixty-six".