16091698 has 12 divisors (see below), whose sum is σ = 28078542. Its totient is φ = 6896400.

The previous prime is 16091687. The next prime is 16091717. The reversal of 16091698 is 89619061.

16091698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14341369 + 1750329 = 3787^2 + 1323^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16091698.

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, 82003 + ... + 82198.

Almost surely, 2^16091698 is an apocalyptic number.

16091698 is a deficient number, since it is larger than the sum of its proper divisors (11986844).

16091698 is a wasteful number, since it uses less digits than its factorization.

16091698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164217 (or 164210 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 16091698 is about 4011.4458739961. The cubic root of 16091698 is about 252.4646776064.

The spelling of 16091698 in words is "sixteen million, ninety-one thousand, six hundred ninety-eight".