196918204380 has 192 divisors, whose sum is σ = 606379253760. Its totient is φ = 47525550336.

The previous prime is 196918204369. The next prime is 196918204397. The reversal of 196918204380 is 83402819691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23252907 + ... + 23261373.

It is an arithmetic number, because the mean of its divisors is an integer number (3158225280).

Almost surely, 2^196918204380 is an apocalyptic number.

196918204380 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 196918204380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303189626880).

196918204380 is an abundant number, since it is smaller than the sum of its proper divisors (409461049380).

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

196918204380 is a wasteful number, since it uses less digits than its factorization.

196918204380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9408 (or 9406 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 196918204380 in words is "one hundred ninety-six billion, nine hundred eighteen million, two hundred four thousand, three hundred eighty".