16742585 has 8 divisors (see below), whose sum is σ = 20212416. Its totient is φ = 13313200.

The previous prime is 16742527. The next prime is 16742587. The reversal of 16742585 is 58524761.

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

It is not a de Polignac number, because 16742585 - 2⁶ = 16742521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16742587) 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, 9191 + ... + 10860.

It is an arithmetic number, because the mean of its divisors is an integer number (2526552).

Almost surely, 2^16742585 is an apocalyptic number.

It is an amenable number.

16742585 is a deficient number, since it is larger than the sum of its proper divisors (3469831).

16742585 is a wasteful number, since it uses less digits than its factorization.

16742585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20223.

The product of its digits is 67200, while the sum is 38.

The square root of 16742585 is about 4091.7703992282. The cubic root of 16742585 is about 255.8237362903.

The spelling of 16742585 in words is "sixteen million, seven hundred forty-two thousand, five hundred eighty-five".