16172949143 has 8 divisors (see below), whose sum is σ = 17425187136. Its totient is φ = 14921877600.

The previous prime is 16172949127. The next prime is 16172949151. The reversal of 16172949143 is 34194927161.

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 16172949143 - 2⁴ = 16172949127 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 (16172949103) 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, 262703 + ... + 318368.

It is an arithmetic number, because the mean of its divisors is an integer number (2178148392).

Almost surely, 2^16172949143 is an apocalyptic number.

16172949143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16172949143 is a deficient number, since it is larger than the sum of its proper divisors (1252237993).

16172949143 is a wasteful number, since it uses less digits than its factorization.

16172949143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583225.

The product of its digits is 326592, while the sum is 47.

The spelling of 16172949143 in words is "sixteen billion, one hundred seventy-two million, nine hundred forty-nine thousand, one hundred forty-three".