16067985 has 16 divisors (see below), whose sum is σ = 25812864. Its totient is φ = 8534912.

The previous prime is 16067981. The next prime is 16067993. The reversal of 16067985 is 58976061.

It is a cyclic number.

It is not a de Polignac number, because 16067985 - 2² = 16067981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16067981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (1613304).

Almost surely, 2^16067985 is an apocalyptic number.

16067985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16067985 is a deficient number, since it is larger than the sum of its proper divisors (9744879).

16067985 is a wasteful number, since it uses less digits than its factorization.

16067985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 16067985 is about 4008.4891168619. The cubic root of 16067985 is about 252.3406045594.

It can be divided in two parts, 1606 and 7985, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 16067985 in words is "sixteen million, sixty-seven thousand, nine hundred eighty-five".