16172317307 has 8 divisors (see below), whose sum is σ = 16678068480. Its totient is φ = 15674287720.

The previous prime is 16172317261. The next prime is 16172317321. The reversal of 16172317307 is 70371327161.

It is a happy number.

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 16172317307 - 2¹² = 16172313211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16172317327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926143 + ... + 1934520.

It is an arithmetic number, because the mean of its divisors is an integer number (2084758560).

Almost surely, 2^16172317307 is an apocalyptic number.

16172317307 is a deficient number, since it is larger than the sum of its proper divisors (505751173).

16172317307 is an equidigital number, since it uses as much as digits as its factorization.

16172317307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860793.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 16172317307 in words is "sixteen billion, one hundred seventy-two million, three hundred seventeen thousand, three hundred seven".