197425914192 has 160 divisors (see below), whose sum is σ = 615679344000. Its totient is φ = 60208662528.

The previous prime is 197425914137. The next prime is 197425914271. The reversal of 197425914192 is 291419524791.

197425914192 is a `hidden beast` number, since 1 + 9 + 7 + 4 + 2 + 591 + 41 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479059 + ... + 790157.

It is an arithmetic number, because the mean of its divisors is an integer number (3847995900).

Almost surely, 2^197425914192 is an apocalyptic number.

197425914192 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 197425914192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307839672000).

197425914192 is an abundant number, since it is smaller than the sum of its proper divisors (418253429808).

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

197425914192 is a wasteful number, since it uses less digits than its factorization.

197425914192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311242 (or 311230 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 197425914192 in words is "one hundred ninety-seven billion, four hundred twenty-five million, nine hundred fourteen thousand, one hundred ninety-two".