197957926560 has 192 divisors, whose sum is σ = 662524531200. Its totient is φ = 49542792192.

The previous prime is 197957926499. The next prime is 197957926583. The reversal of 197957926560 is 65629759791.

197957926560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 197957926491 and 197957926500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874411 + ... + 1077269.

It is an arithmetic number, because the mean of its divisors is an integer number (3450648600).

Almost surely, 2^197957926560 is an apocalyptic number.

197957926560 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 197957926560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331262265600).

197957926560 is an abundant number, since it is smaller than the sum of its proper divisors (464566604640).

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

197957926560 is a wasteful number, since it uses less digits than its factorization.

197957926560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203003 (or 202995 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 66.

The spelling of 197957926560 in words is "one hundred ninety-seven billion, nine hundred fifty-seven million, nine hundred twenty-six thousand, five hundred sixty".