196195102656 has 224 divisors, whose sum is σ = 600291164160. Its totient is φ = 55394648064.

The previous prime is 196195102651. The next prime is 196195102661. The reversal of 196195102656 is 656201591691.

It is an interprime number because it is at equal distance from previous prime (196195102651) and next prime (196195102661).

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 196195102599 and 196195102608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196195102651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45912936 + ... + 45917208.

Almost surely, 2^196195102656 is an apocalyptic number.

196195102656 is a gapful number since it is divisible by the number (16) 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 196195102656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300145582080).

196195102656 is an abundant number, since it is smaller than the sum of its proper divisors (404096061504).

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

196195102656 is a wasteful number, since it uses less digits than its factorization.

196195102656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 196195102656 in words is "one hundred ninety-six billion, one hundred ninety-five million, one hundred two thousand, six hundred fifty-six".