16698252 has 12 divisors (see below), whose sum is σ = 38962616. Its totient is φ = 5566080.

The previous prime is 16698247. The next prime is 16698271. The reversal of 16698252 is 25289661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16698252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695749 + ... + 695772.

Almost surely, 2^16698252 is an apocalyptic number.

16698252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16698252 is an abundant number, since it is smaller than the sum of its proper divisors (22264364).

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

16698252 is a wasteful number, since it uses less digits than its factorization.

16698252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391528 (or 1391526 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 16698252 is about 4086.3494711050. The cubic root of 16698252 is about 255.5977365647.

The spelling of 16698252 in words is "sixteen million, six hundred ninety-eight thousand, two hundred fifty-two".