16550838 has 32 divisors (see below), whose sum is σ = 37969920. Its totient is φ = 5338440.

The previous prime is 16550801. The next prime is 16550873. The reversal of 16550838 is 83805561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 6617.

It is an arithmetic number, because the mean of its divisors is an integer number (1186560).

Almost surely, 2^16550838 is an apocalyptic number.

16550838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16550838 is an abundant number, since it is smaller than the sum of its proper divisors (21419082).

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

16550838 is a wasteful number, since it uses less digits than its factorization.

16550838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9929 (or 9923 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 16550838 is about 4068.2721147927. The cubic root of 16550838 is about 254.8433640123.

The spelling of 16550838 in words is "sixteen million, five hundred fifty thousand, eight hundred thirty-eight".