16779252 has 24 divisors (see below), whose sum is σ = 44744896. Its totient is φ = 4794048.

The previous prime is 16779247. The next prime is 16779253. The reversal of 16779252 is 25297761.

It is a self number, because there is not a number n which added to its sum of digits gives 16779252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16779253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99793 + ... + 99960.

Almost surely, 2^16779252 is an apocalyptic number.

16779252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16779252 is an abundant number, since it is smaller than the sum of its proper divisors (27965644).

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

16779252 is a wasteful number, since it uses less digits than its factorization.

16779252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199767 (or 199765 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 16779252 is about 4096.2485276165. The cubic root of 16779252 is about 256.0103552126.

The spelling of 16779252 in words is "sixteen million, seven hundred seventy-nine thousand, two hundred fifty-two".