16068505 has 8 divisors (see below), whose sum is σ = 19499400. Its totient is φ = 12710016.

The previous prime is 16068499. The next prime is 16068527. The reversal of 16068505 is 50586061.

It can be written as a sum of positive squares in 4 ways, for example, as 4145296 + 11923209 = 2036^2 + 3453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16068505 - 2⁹ = 16067993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17610 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (2437425).

Almost surely, 2^16068505 is an apocalyptic number.

It is an amenable number.

16068505 is a deficient number, since it is larger than the sum of its proper divisors (3430895).

16068505 is an equidigital number, since it uses as much as digits as its factorization.

16068505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 16068505 is about 4008.5539786811. The cubic root of 16068505 is about 252.3433266534.

The spelling of 16068505 in words is "sixteen million, sixty-eight thousand, five hundred five".