196995988224 has 144 divisors (see below), whose sum is σ = 665773642240. Its totient is φ = 56284554240.

The previous prime is 196995988199. The next prime is 196995988243. The reversal of 196995988224 is 422889599691.

196995988224 is a `hidden beast` number, since 1 + 9 + 6 + 9 + 9 + 598 + 8 + 2 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987372 + ... + 2084139.

Almost surely, 2^196995988224 is an apocalyptic number.

196995988224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

196995988224 is an abundant number, since it is smaller than the sum of its proper divisors (468777654016).

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

196995988224 is an equidigital number, since it uses as much as digits as its factorization.

196995988224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071543 (or 4071523 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 72.

The spelling of 196995988224 in words is "one hundred ninety-six billion, nine hundred ninety-five million, nine hundred eighty-eight thousand, two hundred twenty-four".