16742586 has 64 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 4442880.

The previous prime is 16742527. The next prime is 16742587. The reversal of 16742586 is 68524761.

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 31 ways as a sum of consecutive naturals, for example, 93445 + ... + 93623.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^16742586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16742586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20528640).

16742586 is an abundant number, since it is smaller than the sum of its proper divisors (24314694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16742586 is a wasteful number, since it uses less digits than its factorization.

16742586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 80640, while the sum is 39.

The square root of 16742586 is about 4091.7705214247. The cubic root of 16742586 is about 255.8237413836.

It can be divided in two parts, 16 and 742586, that multiplied together give a 5-th power (11881376 = 26⁵).

The spelling of 16742586 in words is "sixteen million, seven hundred forty-two thousand, five hundred eighty-six".