16650552 has 32 divisors (see below), whose sum is σ = 41867280. Its totient is φ = 5518080.

The previous prime is 16650539. The next prime is 16650581. The reversal of 16650552 is 25505661.

16650552 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 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 6260.

Almost surely, 2^16650552 is an apocalyptic number.

16650552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16650552 is an abundant number, since it is smaller than the sum of its proper divisors (25216728).

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

16650552 is a wasteful number, since it uses less digits than its factorization.

16650552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 16650552 is about 4080.5087918053. The cubic root of 16650552 is about 255.3541254435.

The spelling of 16650552 in words is "sixteen million, six hundred fifty thousand, five hundred fifty-two".