16555252 has 12 divisors (see below), whose sum is σ = 33110560. Its totient is φ = 7095096.

The previous prime is 16555249. The next prime is 16555277. The reversal of 16555252 is 25255561.

16555252 is an admirable number.

It is a congruent number.

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, 295602 + ... + 295657.

Almost surely, 2^16555252 is an apocalyptic number.

It is an amenable number.

16555252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16555252 is a wasteful number, since it uses less digits than its factorization.

16555252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591270 (or 591268 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 16555252 is about 4068.8145693801. The cubic root of 16555252 is about 254.8660170168.

It can be divided in two parts, 16555 and 252, that added together give a 5-th power (16807 = 7⁵).

The spelling of 16555252 in words is "sixteen million, five hundred fifty-five thousand, two hundred fifty-two".