16197576197 has 8 divisors (see below), whose sum is σ = 17683680672. Its totient is φ = 14713738000.

The previous prime is 16197576193. The next prime is 16197576211. The reversal of 16197576197 is 79167579161.

It is a happy number.

16197576197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16197576197 - 2² = 16197576193 is a prime.

It is a super-2 number, since 2×16197576197² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16197576191) 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, 551603 + ... + 580224.

It is an arithmetic number, because the mean of its divisors is an integer number (2210460084).

Almost surely, 2^16197576197 is an apocalyptic number.

It is an amenable number.

16197576197 is a deficient number, since it is larger than the sum of its proper divisors (1486104475).

16197576197 is a wasteful number, since it uses less digits than its factorization.

16197576197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133139.

The product of its digits is 5000940, while the sum is 59.

The spelling of 16197576197 in words is "sixteen billion, one hundred ninety-seven million, five hundred seventy-six thousand, one hundred ninety-seven".