16776252 has 36 divisors (see below), whose sum is σ = 42531216. Its totient is φ = 5575680.

The previous prime is 16776217. The next prime is 16776289. The reversal of 16776252 is 25267761.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22713 + ... + 23439.

Almost surely, 2^16776252 is an apocalyptic number.

16776252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16776252 is an abundant number, since it is smaller than the sum of its proper divisors (25754964).

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

16776252 is a wasteful number, since it uses less digits than its factorization.

16776252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1373 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 16776252 is about 4095.8823225283. The cubic root of 16776252 is about 255.9950967485.

The spelling of 16776252 in words is "sixteen million, seven hundred seventy-six thousand, two hundred fifty-two".