196719308850 has 144 divisors (see below), whose sum is σ = 519092811648. Its totient is φ = 49292405760.

The previous prime is 196719308837. The next prime is 196719308887. The reversal of 196719308850 is 58803917691.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29344599 + ... + 29351301.

It is an arithmetic number, because the mean of its divisors is an integer number (3604811192).

Almost surely, 2^196719308850 is an apocalyptic number.

196719308850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196719308850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259546405824).

196719308850 is an abundant number, since it is smaller than the sum of its proper divisors (322373502798).

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

196719308850 is a wasteful number, since it uses less digits than its factorization.

196719308850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429 (or 7407 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 196719308850 in words is "one hundred ninety-six billion, seven hundred nineteen million, three hundred eight thousand, eight hundred fifty".