16553892 has 12 divisors (see below), whose sum is σ = 38625776. Its totient is φ = 5517960.

The previous prime is 16553881. The next prime is 16553893. The reversal of 16553892 is 29835561.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16553892.

It is not an unprimeable number, because it can be changed into a prime (16553893) 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, 689734 + ... + 689757.

Almost surely, 2^16553892 is an apocalyptic number.

16553892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16553892 is an abundant number, since it is smaller than the sum of its proper divisors (22071884).

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

16553892 is a wasteful number, since it uses less digits than its factorization.

16553892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379498 (or 1379496 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 16553892 is about 4068.6474411037. The cubic root of 16553892 is about 254.8590378162.

The spelling of 16553892 in words is "sixteen million, five hundred fifty-three thousand, eight hundred ninety-two".