16942506 has 64 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 4469760.

The previous prime is 16942501. The next prime is 16942537. The reversal of 16942506 is 60524961.

It is not an unprimeable number, because it can be changed into a prime (16942501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43360 + ... + 43748.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

Almost surely, 2^16942506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16942506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20891520).

16942506 is an abundant number, since it is smaller than the sum of its proper divisors (24840534).

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

16942506 is a wasteful number, since it uses less digits than its factorization.

16942506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 16942506 is about 4116.1275490441. The cubic root of 16942506 is about 256.8379625267.

The spelling of 16942506 in words is "sixteen million, nine hundred forty-two thousand, five hundred six".