16103705 has 8 divisors (see below), whose sum is σ = 19437192. Its totient is φ = 12807808.

The previous prime is 16103701. The next prime is 16103713. The reversal of 16103705 is 50730161.

It can be written as a sum of positive squares in 4 ways, for example, as 9467929 + 6635776 = 3077^2 + 2576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16103705 - 2² = 16103701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16103701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8444 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (2429649).

Almost surely, 2^16103705 is an apocalyptic number.

It is an amenable number.

16103705 is a deficient number, since it is larger than the sum of its proper divisors (3333487).

16103705 is a wasteful number, since it uses less digits than its factorization.

16103705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 16103705 is about 4012.9421874729. The cubic root of 16103705 is about 252.5274551070.

Adding to 16103705 its reverse (50730161), we get a palindrome (66833866).

The spelling of 16103705 in words is "sixteen million, one hundred three thousand, seven hundred five".