196519115520 has 1728 divisors, whose sum is σ = 890962136064. Its totient is φ = 40370503680.

The previous prime is 196519115501. The next prime is 196519115561. The reversal of 196519115520 is 25511915691.

196519115520 is a `hidden beast` number, since 1 + 9 + 6 + 5 + 1 + 9 + 115 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1500145855 + ... + 1500145985.

It is an arithmetic number, because the mean of its divisors is an integer number (515603088).

Almost surely, 2^196519115520 is an apocalyptic number.

196519115520 is a gapful number since it is divisible by the number (10) 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 196519115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445481068032).

196519115520 is an abundant number, since it is smaller than the sum of its proper divisors (694443020544).

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

196519115520 is a wasteful number, since it uses less digits than its factorization.

196519115520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 45.

The spelling of 196519115520 in words is "one hundred ninety-six billion, five hundred nineteen million, one hundred fifteen thousand, five hundred twenty".