16326642 has 32 divisors (see below), whose sum is σ = 34305408. Its totient is φ = 5170176.

The previous prime is 16326641. The next prime is 16326649. The reversal of 16326642 is 24662361.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (16326641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26328 + ... + 26940.

It is an arithmetic number, because the mean of its divisors is an integer number (1072044).

Almost surely, 2^16326642 is an apocalyptic number.

16326642 is an abundant number, since it is smaller than the sum of its proper divisors (17978766).

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

16326642 is a wasteful number, since it uses less digits than its factorization.

16326642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 10368, while the sum is 30.

The square root of 16326642 is about 4040.6239617168. The cubic root of 16326642 is about 253.6874345656.

The spelling of 16326642 in words is "sixteen million, three hundred twenty-six thousand, six hundred forty-two".