197932254720 has 160 divisors (see below), whose sum is σ = 635291838720. Its totient is φ = 52571136000.

The previous prime is 197932254703. The next prime is 197932254781. The reversal of 197932254720 is 27452239791.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

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, 1876341 + ... + 1979019.

It is an arithmetic number, because the mean of its divisors is an integer number (3970573992).

Almost surely, 2^197932254720 is an apocalyptic number.

197932254720 is a gapful number since it is divisible by the number (10) 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 197932254720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317645919360).

197932254720 is an abundant number, since it is smaller than the sum of its proper divisors (437359584000).

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

197932254720 is a wasteful number, since it uses less digits than its factorization.

197932254720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102956 (or 102940 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 197932254720 in words is "one hundred ninety-seven billion, nine hundred thirty-two million, two hundred fifty-four thousand, seven hundred twenty".