16326427 has 16 divisors (see below), whose sum is σ = 18083520. Its totient is φ = 14648832.

The previous prime is 16326419. The next prime is 16326461. The reversal of 16326427 is 72462361.

It is a cyclic number.

It is not a de Polignac number, because 16326427 - 2³ = 16326419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16326407) 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, 119103 + ... + 119239.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^16326427 is an apocalyptic number.

16326427 is a deficient number, since it is larger than the sum of its proper divisors (1757093).

16326427 is a wasteful number, since it uses less digits than its factorization.

16326427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 12096, while the sum is 31.

The square root of 16326427 is about 4040.5973568273. The cubic root of 16326427 is about 253.6863209862.

Adding to 16326427 its reverse (72462361), we get a palindrome (88788788).

The spelling of 16326427 in words is "sixteen million, three hundred twenty-six thousand, four hundred twenty-seven".