16172163673 has 8 divisors (see below), whose sum is σ = 16923941568. Its totient is φ = 15424439184.

The previous prime is 16172163653. The next prime is 16172163677. The reversal of 16172163673 is 37636127161.

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 16172163673 - 2¹³ = 16172155481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16172163677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005186 + ... + 1021147.

It is an arithmetic number, because the mean of its divisors is an integer number (2115492696).

Almost surely, 2^16172163673 is an apocalyptic number.

It is an amenable number.

16172163673 is a deficient number, since it is larger than the sum of its proper divisors (751777895).

16172163673 is a wasteful number, since it uses less digits than its factorization.

16172163673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026703.

The product of its digits is 190512, while the sum is 43.

The spelling of 16172163673 in words is "sixteen billion, one hundred seventy-two million, one hundred sixty-three thousand, six hundred seventy-three".