16068506 has 4 divisors (see below), whose sum is σ = 24102762. Its totient is φ = 8034252.

The previous prime is 16068499. The next prime is 16068527. The reversal of 16068506 is 60586061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60586061 = 7643 ⋅7927.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 4906225 = 3341^2 + 2215^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017125 + ... + 4017128.

Almost surely, 2^16068506 is an apocalyptic number.

16068506 is a deficient number, since it is larger than the sum of its proper divisors (8034256).

16068506 is an equidigital number, since it uses as much as digits as its factorization.

16068506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034255.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 16068506 is about 4008.5541034143. The cubic root of 16068506 is about 252.3433318882.

The spelling of 16068506 in words is "sixteen million, sixty-eight thousand, five hundred six".