197519840160 has 96 divisors (see below), whose sum is σ = 623266684992. Its totient is φ = 52580597760.

The previous prime is 197519840123. The next prime is 197519840179. The reversal of 197519840160 is 61048915791.

It is a tau number, because it is divible by the number of its divisors (96).

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, 79626 + ... + 633545.

It is an arithmetic number, because the mean of its divisors is an integer number (6492361302).

Almost surely, 2^197519840160 is an apocalyptic number.

197519840160 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 197519840160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311633342496).

197519840160 is an abundant number, since it is smaller than the sum of its proper divisors (425746844832).

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

197519840160 is a wasteful number, since it uses less digits than its factorization.

197519840160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713766 (or 713758 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 197519840160 in words is "one hundred ninety-seven billion, five hundred nineteen million, eight hundred forty thousand, one hundred sixty".