196549346664 has 864 divisors, whose sum is σ = 680294946240. Its totient is φ = 52655961600.

The previous prime is 196549346639. The next prime is 196549346699. The reversal of 196549346664 is 466643945691.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 4793886484 + ... + 4793886524.

It is an arithmetic number, because the mean of its divisors is an integer number (787378410).

Almost surely, 2^196549346664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196549346664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340147473120).

196549346664 is an abundant number, since it is smaller than the sum of its proper divisors (483745599576).

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

196549346664 is a wasteful number, since it uses less digits than its factorization.

196549346664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 99 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 63.

The spelling of 196549346664 in words is "one hundred ninety-six billion, five hundred forty-nine million, three hundred forty-six thousand, six hundred sixty-four".