16488642 has 32 divisors (see below), whose sum is σ = 34179264. Its totient is φ = 5299200.

The previous prime is 16488629. The next prime is 16488653. The reversal of 16488642 is 24688461.

It is a self number, because there is not a number n which added to its sum of digits gives 16488642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23517 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (1068102).

Almost surely, 2^16488642 is an apocalyptic number.

16488642 is an abundant number, since it is smaller than the sum of its proper divisors (17690622).

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

16488642 is a wasteful number, since it uses less digits than its factorization.

16488642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its digits is 73728, while the sum is 39.

The square root of 16488642 is about 4060.6208884849. The cubic root of 16488642 is about 254.5237400385.

The spelling of 16488642 in words is "sixteen million, four hundred eighty-eight thousand, six hundred forty-two".