16535838 has 16 divisors (see below), whose sum is σ = 36078336. Its totient is φ = 5010840.

The previous prime is 16535797. The next prime is 16535843. The reversal of 16535838 is 83853561.

It is a junction number, because it is equal to n+sod(n) for n = 16535796 and 16535805.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 125206 + ... + 125337.

It is an arithmetic number, because the mean of its divisors is an integer number (2254896).

Almost surely, 2^16535838 is an apocalyptic number.

16535838 is an abundant number, since it is smaller than the sum of its proper divisors (19542498).

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

16535838 is a wasteful number, since it uses less digits than its factorization.

16535838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250559.

The product of its digits is 86400, while the sum is 39.

The square root of 16535838 is about 4066.4281624049. The cubic root of 16535838 is about 254.7663526879.

The spelling of 16535838 in words is "sixteen million, five hundred thirty-five thousand, eight hundred thirty-eight".