16130066 has 4 divisors (see below), whose sum is σ = 24195102. Its totient is φ = 8065032.

The previous prime is 16130057. The next prime is 16130077. The reversal of 16130066 is 66003161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66003161 = 7 ⋅9429023.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 2989441 = 3625^2 + 1729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032515 + ... + 4032518.

Almost surely, 2^16130066 is an apocalyptic number.

16130066 is a deficient number, since it is larger than the sum of its proper divisors (8065036).

16130066 is an equidigital number, since it uses as much as digits as its factorization.

16130066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065035.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16130066 is about 4016.2253422835. The cubic root of 16130066 is about 252.6651718045.

The spelling of 16130066 in words is "sixteen million, one hundred thirty thousand, sixty-six".