16432427 has 8 divisors (see below), whose sum is σ = 17965632. Its totient is φ = 14905800.

The previous prime is 16432399. The next prime is 16432439. The reversal of 16432427 is 72423461.

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

It is a cyclic number.

It is not a de Polignac number, because 16432427 - 2¹⁶ = 16366891 is a prime.

It is a super-2 number, since 2×16432427² = 540049314220658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16432427.

It is not an unprimeable number, because it can be changed into a prime (16432127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4652 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (2245704).

Almost surely, 2^16432427 is an apocalyptic number.

16432427 is a deficient number, since it is larger than the sum of its proper divisors (1533205).

16432427 is a wasteful number, since it uses less digits than its factorization.

16432427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289.

The product of its digits is 8064, while the sum is 29.

The square root of 16432427 is about 4053.6930076166. The cubic root of 16432427 is about 254.2341600326.

Adding to 16432427 its reverse (72423461), we get a palindrome (88855888).

The spelling of 16432427 in words is "sixteen million, four hundred thirty-two thousand, four hundred twenty-seven".