197966426112 has 1040 divisors, whose sum is σ = 745949783040. Its totient is φ = 50928943104.

The previous prime is 197966426107. The next prime is 197966426159. The reversal of 197966426112 is 211624669791.

197966426112 is a `hidden beast` number, since 19 + 7 + 9 + 6 + 6 + 4 + 2 + 611 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2385137623 + ... + 2385137705.

Almost surely, 2^197966426112 is an apocalyptic number.

197966426112 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 197966426112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372974891520).

197966426112 is an abundant number, since it is smaller than the sum of its proper divisors (547983356928).

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

197966426112 is an equidigital number, since it uses as much as digits as its factorization.

197966426112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 187 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 197966426112 in words is "one hundred ninety-seven billion, nine hundred sixty-six million, four hundred twenty-six thousand, one hundred twelve".