16172983 has 8 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 15724800.

The previous prime is 16172969. The next prime is 16172993. The reversal of 16172983 is 38927161.

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 16172983 - 2⁵ = 16172951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17298 + ... + 18208.

It is an arithmetic number, because the mean of its divisors is an integer number (2077992).

Almost surely, 2^16172983 is an apocalyptic number.

16172983 is a deficient number, since it is larger than the sum of its proper divisors (450953).

16172983 is an equidigital number, since it uses as much as digits as its factorization.

16172983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its digits is 18144, while the sum is 37.

The square root of 16172983 is about 4021.5647452204. The cubic root of 16172983 is about 252.8890607048.

It can be divided in two parts, 1617298 and 3, that added together give a triangular number (1617301 = T₁₇₉₈).

The spelling of 16172983 in words is "sixteen million, one hundred seventy-two thousand, nine hundred eighty-three".