16317081 has 24 divisors (see below), whose sum is σ = 26316576. Its totient is φ = 9656640.

The previous prime is 16317079. The next prime is 16317083. The reversal of 16317081 is 18071361.

It is an interprime number because it is at equal distance from previous prime (16317079) and next prime (16317083).

It is not a de Polignac number, because 16317081 - 2¹ = 16317079 is a prime.

It is a super-2 number, since 2×16317081² = 532494264721122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16317083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2341 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (1096524).

Almost surely, 2^16317081 is an apocalyptic number.

16317081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16317081 is a deficient number, since it is larger than the sum of its proper divisors (9999495).

16317081 is a wasteful number, since it uses less digits than its factorization.

16317081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 16317081 is about 4039.4406791040. The cubic root of 16317081 is about 253.6379044953.

The spelling of 16317081 in words is "sixteen million, three hundred seventeen thousand, eighty-one".