197161248600 has 288 divisors, whose sum is σ = 691852281120. Its totient is φ = 50222684160.

The previous prime is 197161248509. The next prime is 197161248617. The reversal of 197161248600 is 6842161791.

197161248600 is a `hidden beast` number, since 1 + 9 + 7 + 16 + 1 + 24 + 8 + 600 = 666.

197161248600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197161248600² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35477022 + ... + 35482578.

It is an arithmetic number, because the mean of its divisors is an integer number (2402264865).

Almost surely, 2^197161248600 is an apocalyptic number.

197161248600 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 197161248600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345926140560).

197161248600 is an abundant number, since it is smaller than the sum of its proper divisors (494691032520).

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

197161248600 is a wasteful number, since it uses less digits than its factorization.

197161248600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 197161248600 in words is "one hundred ninety-seven billion, one hundred sixty-one million, two hundred forty-eight thousand, six hundred".