16652636 has 48 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 5987520.

The previous prime is 16652633. The next prime is 16652659. The reversal of 16652636 is 63625661.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 16652596 and 16652605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16652633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (815360).

Almost surely, 2^16652636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16652636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568640).

16652636 is an abundant number, since it is smaller than the sum of its proper divisors (22484644).

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

16652636 is a wasteful number, since it uses less digits than its factorization.

16652636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194 (or 4192 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 16652636 is about 4080.7641441279. The cubic root of 16652636 is about 255.3647784597.

The spelling of 16652636 in words is "sixteen million, six hundred fifty-two thousand, six hundred thirty-six".