16535444 has 12 divisors (see below), whose sum is σ = 28971264. Its totient is φ = 8257944.

The previous prime is 16535429. The next prime is 16535471. The reversal of 16535444 is 44453561.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16535444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447 + ... + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (2414272).

Almost surely, 2^16535444 is an apocalyptic number.

It is an amenable number.

16535444 is a deficient number, since it is larger than the sum of its proper divisors (12435820).

16535444 is a wasteful number, since it uses less digits than its factorization.

16535444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894 (or 4892 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 16535444 is about 4066.3797166521. The cubic root of 16535444 is about 254.7643292295.

The spelling of 16535444 in words is "sixteen million, five hundred thirty-five thousand, four hundred forty-four".