196221935700 has 864 divisors, whose sum is σ = 778000204800. Its totient is φ = 42184800000.

The previous prime is 196221935639. The next prime is 196221935737. The reversal of 196221935700 is 7539122691.

It is a happy number.

196221935700 is a `hidden beast` number, since 1 + 9 + 62 + 2 + 19 + 3 + 570 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 630938545 + ... + 630938855.

It is an arithmetic number, because the mean of its divisors is an integer number (900463200).

Almost surely, 2^196221935700 is an apocalyptic number.

196221935700 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 196221935700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389000102400).

196221935700 is an abundant number, since it is smaller than the sum of its proper divisors (581778269100).

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

196221935700 is a wasteful number, since it uses less digits than its factorization.

196221935700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 196221935700 in words is "one hundred ninety-six billion, two hundred twenty-one million, nine hundred thirty-five thousand, seven hundred".