196648518528 has 960 divisors, whose sum is σ = 751800588000. Its totient is φ = 50965770240.

The previous prime is 196648518461. The next prime is 196648518533. The reversal of 196648518528 is 825815846691.

196648518528 is a `hidden beast` number, since 1 + 9 + 6 + 64 + 8 + 518 + 52 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (33177600) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 430302876 + ... + 430303332.

Almost surely, 2^196648518528 is an apocalyptic number.

196648518528 is a gapful number since it is divisible by the number (18) 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 196648518528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375900294000).

196648518528 is an abundant number, since it is smaller than the sum of its proper divisors (555152069472).

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

196648518528 is an equidigital number, since it uses as much as digits as its factorization.

196648518528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 480 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 63.

The spelling of 196648518528 in words is "one hundred ninety-six billion, six hundred forty-eight million, five hundred eighteen thousand, five hundred twenty-eight".