16103985 has 8 divisors (see below), whose sum is σ = 25766400. Its totient is φ = 8588784.

The previous prime is 16103959. The next prime is 16104013. The reversal of 16103985 is 58930161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16103985 - 2⁵ = 16103953 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536785 + ... + 536814.

It is an arithmetic number, because the mean of its divisors is an integer number (3220800).

Almost surely, 2^16103985 is an apocalyptic number.

16103985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16103985 is a deficient number, since it is larger than the sum of its proper divisors (9662415).

16103985 is a wasteful number, since it uses less digits than its factorization.

16103985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073607.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 16103985 is about 4012.9770744424. The cubic root of 16103985 is about 252.5289186889.

The spelling of 16103985 in words is "sixteen million, one hundred three thousand, nine hundred eighty-five".