16662285 has 48 divisors (see below), whose sum is σ = 30201600. Its totient is φ = 8491392.

The previous prime is 16662271. The next prime is 16662293. The reversal of 16662285 is 58226661.

It is not a de Polignac number, because 16662285 - 2⁷ = 16662157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152811 + ... + 152919.

It is an arithmetic number, because the mean of its divisors is an integer number (629200).

Almost surely, 2^16662285 is an apocalyptic number.

16662285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16662285 is a deficient number, since it is larger than the sum of its proper divisors (13539315).

16662285 is a wasteful number, since it uses less digits than its factorization.

16662285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 239 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 16662285 is about 4081.9462269854. The cubic root of 16662285 is about 255.4140907526.

The spelling of 16662285 in words is "sixteen million, six hundred sixty-two thousand, two hundred eighty-five".