16489550 has 48 divisors (see below), whose sum is σ = 38247552. Its totient is φ = 5138400.

The previous prime is 16489547. The next prime is 16489567. The reversal of 16489550 is 5598461.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1709 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (796824).

Almost surely, 2^16489550 is an apocalyptic number.

16489550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16489550 is an abundant number, since it is smaller than the sum of its proper divisors (21758002).

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

16489550 is a wasteful number, since it uses less digits than its factorization.

16489550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 16489550 is about 4060.7326925076. The cubic root of 16489550 is about 254.5284120083.

The spelling of 16489550 in words is "sixteen million, four hundred eighty-nine thousand, five hundred fifty".