16669628 has 6 divisors (see below), whose sum is σ = 29171856. Its totient is φ = 8334812.

The previous prime is 16669621. The next prime is 16669643. The reversal of 16669628 is 82696661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16669621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083700 + ... + 2083707.

It is an arithmetic number, because the mean of its divisors is an integer number (4861976).

Almost surely, 2^16669628 is an apocalyptic number.

It is an amenable number.

16669628 is a deficient number, since it is larger than the sum of its proper divisors (12502228).

16669628 is a wasteful number, since it uses less digits than its factorization.

16669628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167411 (or 4167409 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 16669628 is about 4082.8455763107. The cubic root of 16669628 is about 255.4516052197.

The spelling of 16669628 in words is "sixteen million, six hundred sixty-nine thousand, six hundred twenty-eight".