197166413652 has 192 divisors, whose sum is σ = 519381811200. Its totient is φ = 57800770560.

The previous prime is 197166413651. The next prime is 197166413657. The reversal of 197166413652 is 256314661791.

It is a junction number, because it is equal to n+sod(n) for n = 197166413595 and 197166413604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197166413651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217382583 + ... + 217383489.

It is an arithmetic number, because the mean of its divisors is an integer number (2705113600).

Almost surely, 2^197166413652 is an apocalyptic number.

197166413652 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 197166413652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259690905600).

197166413652 is an abundant number, since it is smaller than the sum of its proper divisors (322215397548).

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

197166413652 is a wasteful number, since it uses less digits than its factorization.

197166413652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 197166413652 in words is "one hundred ninety-seven billion, one hundred sixty-six million, four hundred thirteen thousand, six hundred fifty-two".