16811952 has 20 divisors (see below), whose sum is σ = 43431000. Its totient is φ = 5603968.

The previous prime is 16811923. The next prime is 16811957. The reversal of 16811952 is 25911861.

It is not an unprimeable number, because it can be changed into a prime (16811957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175077 + ... + 175172.

It is an arithmetic number, because the mean of its divisors is an integer number (2171550).

Almost surely, 2^16811952 is an apocalyptic number.

16811952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16811952 is an abundant number, since it is smaller than the sum of its proper divisors (26619048).

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

16811952 is a wasteful number, since it uses less digits than its factorization.

16811952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350260 (or 350254 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 16811952 is about 4100.2380418703. The cubic root of 16811952 is about 256.1765546405.

Subtracting 16811952 from its reverse (25911861), we obtain a palindrome (9099909).

The spelling of 16811952 in words is "sixteen million, eight hundred eleven thousand, nine hundred fifty-two".