16125552 has 60 divisors (see below), whose sum is σ = 45574464. Its totient is φ = 5322240.

The previous prime is 16125541. The next prime is 16125581. The reversal of 16125552 is 25552161.

16125552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15777 + ... + 16767.

Almost surely, 2^16125552 is an apocalyptic number.

16125552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16125552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22787232).

16125552 is an abundant number, since it is smaller than the sum of its proper divisors (29448912).

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

16125552 is a wasteful number, since it uses less digits than its factorization.

16125552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1109 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 16125552 is about 4015.6633325019. The cubic root of 16125552 is about 252.6416001507.

The spelling of 16125552 in words is "sixteen million, one hundred twenty-five thousand, five hundred fifty-two".