16315849 has 4 divisors (see below), whose sum is σ = 17799120. Its totient is φ = 14832580.

The previous prime is 16315787. The next prime is 16315861. The reversal of 16315849 is 94851361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16315849 - 2⁹ = 16315337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16315879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741619 + ... + 741640.

It is an arithmetic number, because the mean of its divisors is an integer number (4449780).

Almost surely, 2^16315849 is an apocalyptic number.

It is an amenable number.

16315849 is a deficient number, since it is larger than the sum of its proper divisors (1483271).

16315849 is a wasteful number, since it uses less digits than its factorization.

16315849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483270.

The product of its digits is 25920, while the sum is 37.

The square root of 16315849 is about 4039.2881798654. The cubic root of 16315849 is about 253.6315208011.

The spelling of 16315849 in words is "sixteen million, three hundred fifteen thousand, eight hundred forty-nine".