196518912 has 176 divisors, whose sum is σ = 573028992. Its totient is φ = 59637760.

The previous prime is 196518821. The next prime is 196518913. The reversal of 196518912 is 219815691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196518913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767837 + ... + 2767907.

Almost surely, 2^196518912 is an apocalyptic number.

196518912 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 196518912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286514496).

196518912 is an abundant number, since it is smaller than the sum of its proper divisors (376510080).

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

196518912 is a wasteful number, since it uses less digits than its factorization.

196518912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 146 counting only the distinct ones).

The product of its digits is 38880, while the sum is 42.

The square root of 196518912 is about 14018.5203213463. The cubic root of 196518912 is about 581.3907489420.

The spelling of 196518912 in words is "one hundred ninety-six million, five hundred eighteen thousand, nine hundred twelve".