16730638 has 16 divisors (see below), whose sum is σ = 26006400. Its totient is φ = 8064000.

The previous prime is 16730633. The next prime is 16730639. The reversal of 16730638 is 83603761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16730633) 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, 27538 + ... + 28138.

It is an arithmetic number, because the mean of its divisors is an integer number (1625400).

Almost surely, 2^16730638 is an apocalyptic number.

16730638 is a deficient number, since it is larger than the sum of its proper divisors (9275762).

16730638 is a wasteful number, since it uses less digits than its factorization.

16730638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16730638 is about 4090.3102571810. The cubic root of 16730638 is about 255.7628724625.

The spelling of 16730638 in words is "sixteen million, seven hundred thirty thousand, six hundred thirty-eight".