196856552046 has 96 divisors (see below), whose sum is σ = 502421201280. Its totient is φ = 50845771200.

The previous prime is 196856551981. The next prime is 196856552063. The reversal of 196856552046 is 640255658691.

It is a super-2 number, since 2×196856552046² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408856 + ... + 748916.

It is an arithmetic number, because the mean of its divisors is an integer number (5233554180).

Almost surely, 2^196856552046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196856552046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251210600640).

196856552046 is an abundant number, since it is smaller than the sum of its proper divisors (305564649234).

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

196856552046 is a wasteful number, since it uses less digits than its factorization.

196856552046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340270 (or 340263 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 196856552046 in words is "one hundred ninety-six billion, eight hundred fifty-six million, five hundred fifty-two thousand, forty-six".