196551546660 has 576 divisors, whose sum is σ = 739090759680. Its totient is φ = 41289937920.

The previous prime is 196551546649. The next prime is 196551546727. The reversal of 196551546660 is 66645155691.

It is a junction number, because it is equal to n+sod(n) for n = 196551546597 and 196551546606.

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, 227753389 + ... + 227754251.

It is an arithmetic number, because the mean of its divisors is an integer number (1283143680).

Almost surely, 2^196551546660 is an apocalyptic number.

196551546660 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 196551546660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369545379840).

196551546660 is an abundant number, since it is smaller than the sum of its proper divisors (542539213020).

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

196551546660 is a wasteful number, since it uses less digits than its factorization.

196551546660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 196551546660 in words is "one hundred ninety-six billion, five hundred fifty-one million, five hundred forty-six thousand, six hundred sixty".