16315705 has 32 divisors (see below), whose sum is σ = 23595264. Its totient is φ = 10596096.

The previous prime is 16315697. The next prime is 16315723. The reversal of 16315705 is 50751361.

It is not a de Polignac number, because 16315705 - 2³ = 16315697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55539 + ... + 55831.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^16315705 is an apocalyptic number.

It is an amenable number.

16315705 is a deficient number, since it is larger than the sum of its proper divisors (7279559).

16315705 is a wasteful number, since it uses less digits than its factorization.

16315705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 16315705 is about 4039.2703549032. The cubic root of 16315705 is about 253.6307746341.

It can be divided in two parts, 16315 and 705, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16315705 in words is "sixteen million, three hundred fifteen thousand, seven hundred five".