196381922500 has 45 divisors (see below), whose sum is σ = 429496447611. Its totient is φ = 78543906000.

The previous prime is 196381922411. The next prime is 196381922563. The reversal of 196381922500 is 5229183691.

The square root of 196381922500 is 443150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 15396342724 + 180985579776 = 124082^2 + 425424^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 22153069 + ... + 22161931.

Almost surely, 2^196381922500 is an apocalyptic number.

196381922500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196381922500 is the 443150-th square number.

It is an amenable number.

196381922500 is an abundant number, since it is smaller than the sum of its proper divisors (233114525111).

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

196381922500 is an frugal number, since it uses more digits than its factorization.

196381922500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 196381922500 in words is "one hundred ninety-six billion, three hundred eighty-one million, nine hundred twenty-two thousand, five hundred".