16662552 has 16 divisors (see below), whose sum is σ = 41656440. Its totient is φ = 5554176.

The previous prime is 16662551. The next prime is 16662553. The reversal of 16662552 is 25526661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16662551) and next prime (16662553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662551) 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, 347113 + ... + 347160.

Almost surely, 2^16662552 is an apocalyptic number.

16662552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16662552 is an abundant number, since it is smaller than the sum of its proper divisors (24993888).

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

16662552 is a wasteful number, since it uses less digits than its factorization.

16662552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694282 (or 694278 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 16662552 is about 4081.9789318418. The cubic root of 16662552 is about 255.4154550152.

The spelling of 16662552 in words is "sixteen million, six hundred sixty-two thousand, five hundred fifty-two".