196626079872 has 96 divisors (see below), whose sum is σ = 566808313500. Its totient is φ = 65426620416.

The previous prime is 196626079849. The next prime is 196626079877. The reversal of 196626079872 is 278970626691.

196626079872 is a `hidden beast` number, since 19 + 6 + 6 + 2 + 607 + 9 + 8 + 7 + 2 = 666.

196626079872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189726451776 + 6899628096 = 435576^2 + 83064^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (196626079877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505504 + ... + 805472.

Almost surely, 2^196626079872 is an apocalyptic number.

196626079872 is a gapful number since it is divisible by the number (12) 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 196626079872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283404156750).

196626079872 is an abundant number, since it is smaller than the sum of its proper divisors (370182233628).

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

196626079872 is a wasteful number, since it uses less digits than its factorization.

196626079872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300558 (or 300543 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 196626079872 in words is "one hundred ninety-six billion, six hundred twenty-six million, seventy-nine thousand, eight hundred seventy-two".