197224672146 has 32 divisors (see below), whose sum is σ = 396512928000. Its totient is φ = 65397932880.

The previous prime is 197224672109. The next prime is 197224672159. The reversal of 197224672146 is 641276422791.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620225 + ... + 2694443.

It is an arithmetic number, because the mean of its divisors is an integer number (12391029000).

Almost surely, 2^197224672146 is an apocalyptic number.

197224672146 is an abundant number, since it is smaller than the sum of its proper divisors (199288255854).

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

197224672146 is a wasteful number, since it uses less digits than its factorization.

197224672146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76534.

The product of its digits is 2032128, while the sum is 51.

The spelling of 197224672146 in words is "one hundred ninety-seven billion, two hundred twenty-four million, six hundred seventy-two thousand, one hundred forty-six".