16689046 has 12 divisors (see below), whose sum is σ = 27516636. Its totient is φ = 7585820.

The previous prime is 16688999. The next prime is 16689061. The reversal of 16689046 is 64098661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34240 + ... + 34723.

It is an arithmetic number, because the mean of its divisors is an integer number (2293053).

Almost surely, 2^16689046 is an apocalyptic number.

16689046 is a deficient number, since it is larger than the sum of its proper divisors (10827590).

16689046 is a wasteful number, since it uses less digits than its factorization.

16689046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68987 (or 68976 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 16689046 is about 4085.2228825365. Note that the first 3 decimals coincide. The cubic root of 16689046 is about 255.5507562916.

The spelling of 16689046 in words is "sixteen million, six hundred eighty-nine thousand, forty-six".