197179648512 has 240 divisors, whose sum is σ = 659883973056. Its totient is φ = 51215155200.

The previous prime is 197179648487. The next prime is 197179648591. The reversal of 197179648512 is 215846971791.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225212 + ... + 1376772.

Almost surely, 2^197179648512 is an apocalyptic number.

197179648512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197179648512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329941986528).

197179648512 is an abundant number, since it is smaller than the sum of its proper divisors (462704324544).

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

197179648512 is a wasteful number, since it uses less digits than its factorization.

197179648512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151611 (or 151584 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 60.

The spelling of 197179648512 in words is "one hundred ninety-seven billion, one hundred seventy-nine million, six hundred forty-eight thousand, five hundred twelve".