16699396 has 18 divisors (see below), whose sum is σ = 33995598. Its totient is φ = 7156800.

The previous prime is 16699393. The next prime is 16699427. The reversal of 16699396 is 69399661.

It can be written as a sum of positive squares in only one way, i.e., 14930496 + 1768900 = 3864^2 + 1330^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (16699391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42405 + ... + 42796.

Almost surely, 2^16699396 is an apocalyptic number.

It is an amenable number.

16699396 is an abundant number, since it is smaller than the sum of its proper divisors (17296202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16699396 is a wasteful number, since it uses less digits than its factorization.

16699396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85219 (or 85210 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 16699396 is about 4086.4894469459. The cubic root of 16699396 is about 255.6035734457.

The spelling of 16699396 in words is "sixteen million, six hundred ninety-nine thousand, three hundred ninety-six".