16172513097 has 16 divisors (see below), whose sum is σ = 23286775680. Its totient is φ = 9924584832.

The previous prime is 16172513053. The next prime is 16172513107. The reversal of 16172513097 is 79031527161.

It is not a de Polignac number, because 16172513097 - 2¹⁵ = 16172480329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16172513197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563548 + ... + 591549.

It is an arithmetic number, because the mean of its divisors is an integer number (1455423480).

Almost surely, 2^16172513097 is an apocalyptic number.

It is an amenable number.

16172513097 is a deficient number, since it is larger than the sum of its proper divisors (7114262583).

16172513097 is a wasteful number, since it uses less digits than its factorization.

16172513097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155472.

The product of its (nonzero) digits is 79380, while the sum is 42.

The spelling of 16172513097 in words is "sixteen billion, one hundred seventy-two million, five hundred thirteen thousand, ninety-seven".