197196437868 has 24 divisors (see below), whose sum is σ = 460247273472. Its totient is φ = 65714681424.

The previous prime is 197196437863. The next prime is 197196437917. The reversal of 197196437868 is 868734691791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197196437863) 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, 2135980 + ... + 2226387.

It is an arithmetic number, because the mean of its divisors is an integer number (19176969728).

Almost surely, 2^197196437868 is an apocalyptic number.

It is an amenable number.

197196437868 is an abundant number, since it is smaller than the sum of its proper divisors (263050835604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197196437868 is a wasteful number, since it uses less digits than its factorization.

197196437868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366141 (or 4366139 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 69.

The spelling of 197196437868 in words is "one hundred ninety-seven billion, one hundred ninety-six million, four hundred thirty-seven thousand, eight hundred sixty-eight".