16464442 has 8 divisors (see below), whose sum is σ = 25271136. Its totient is φ = 8040732.

The previous prime is 16464421. The next prime is 16464443. The reversal of 16464442 is 24446461.

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

It is not an unprimeable number, because it can be changed into a prime (16464443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95638 + ... + 95809.

It is an arithmetic number, because the mean of its divisors is an integer number (3158892).

Almost surely, 2^16464442 is an apocalyptic number.

16464442 is a deficient number, since it is larger than the sum of its proper divisors (8806694).

16464442 is a wasteful number, since it uses less digits than its factorization.

16464442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191492.

The product of its digits is 18432, while the sum is 31.

The square root of 16464442 is about 4057.6399544563. The cubic root of 16464442 is about 254.3991595274.

The spelling of 16464442 in words is "sixteen million, four hundred sixty-four thousand, four hundred forty-two".