196779381120 has 192 divisors, whose sum is σ = 776575931040. Its totient is φ = 44978135040.

The previous prime is 196779381103. The next prime is 196779381131. The reversal of 196779381120 is 21183977691.

It is a happy number.

196779381120 is a `hidden beast` number, since 19 + 67 + 79 + 381 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 2399901 + ... + 2480540.

Almost surely, 2^196779381120 is an apocalyptic number.

196779381120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196779381120 is an abundant number, since it is smaller than the sum of its proper divisors (579796549920).

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

196779381120 is a wasteful number, since it uses less digits than its factorization.

196779381120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880473 (or 4880458 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 196779381120 in words is "one hundred ninety-six billion, seven hundred seventy-nine million, three hundred eighty-one thousand, one hundred twenty".