16284121 has 12 divisors (see below), whose sum is σ = 19940880. Its totient is φ = 13222440.

The previous prime is 16284101. The next prime is 16284131. The reversal of 16284121 is 12148261.

It is not a de Polignac number, because 16284121 - 2⁵ = 16284089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16284101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7815 + ... + 9676.

It is an arithmetic number, because the mean of its divisors is an integer number (1661740).

Almost surely, 2^16284121 is an apocalyptic number.

It is an amenable number.

16284121 is a deficient number, since it is larger than the sum of its proper divisors (3656759).

16284121 is a wasteful number, since it uses less digits than its factorization.

16284121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524 (or 17517 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 16284121 is about 4035.3588440187. The cubic root of 16284121 is about 253.4670091296.

The spelling of 16284121 in words is "sixteen million, two hundred eighty-four thousand, one hundred twenty-one".