16444670 has 16 divisors (see below), whose sum is σ = 32291568. Its totient is φ = 5979840.

The previous prime is 16444639. The next prime is 16444679. The reversal of 16444670 is 7644461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444679) 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, 74639 + ... + 74858.

It is an arithmetic number, because the mean of its divisors is an integer number (2018223).

Almost surely, 2^16444670 is an apocalyptic number.

16444670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16444670 is a deficient number, since it is larger than the sum of its proper divisors (15846898).

16444670 is a wasteful number, since it uses less digits than its factorization.

16444670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149515.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 16444670 is about 4055.2028309321. The cubic root of 16444670 is about 254.2972835166.

The spelling of 16444670 in words is "sixteen million, four hundred forty-four thousand, six hundred seventy".