16054909 has 8 divisors (see below), whose sum is σ = 17380440. Its totient is φ = 14742336.

The previous prime is 16054901. The next prime is 16054991. The reversal of 16054909 is 90945061.

It can be written as a sum of positive squares in 4 ways, for example, as 2732409 + 13322500 = 1653^2 + 3650^2 .

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 16054909 - 2³ = 16054901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16054901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (2172555).

Almost surely, 2^16054909 is an apocalyptic number.

It is an amenable number.

16054909 is a deficient number, since it is larger than the sum of its proper divisors (1325531).

16054909 is a wasteful number, since it uses less digits than its factorization.

16054909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 16054909 is about 4006.8577464143. The cubic root of 16054909 is about 252.2721350486.

The spelling of 16054909 in words is "sixteen million, fifty-four thousand, nine hundred nine".