197736668106 has 16 divisors (see below), whose sum is σ = 395740025184. Its totient is φ = 65867774544.

The previous prime is 197736668099. The next prime is 197736668137. The reversal of 197736668106 is 601866637791.

It is a self number, because there is not a number n which added to its sum of digits gives 197736668106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11102401 + ... + 11120196.

It is an arithmetic number, because the mean of its divisors is an integer number (24733751574).

Almost surely, 2^197736668106 is an apocalyptic number.

197736668106 is an abundant number, since it is smaller than the sum of its proper divisors (198003357078).

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

197736668106 is a wasteful number, since it uses less digits than its factorization.

197736668106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224085.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 197736668106 in words is "one hundred ninety-seven billion, seven hundred thirty-six million, six hundred sixty-eight thousand, one hundred six".