196539056448660 has 576 divisors, whose sum is σ = 631281195417600. Its totient is φ = 49427347737600.

The previous prime is 196539056448551. The next prime is 196539056448739. The reversal of 196539056448660 is 66844650935691.

196539056448660 is a `hidden beast` number, since 1 + 9 + 6 + 5 + 3 + 90 + 56 + 4 + 486 + 6 + 0 = 666.

It is a congruent number.

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, 36268507431 + ... + 36268512849.

It is an arithmetic number, because the mean of its divisors is an integer number (1095974297600).

Almost surely, 2^{196539056448660} is an apocalyptic number.

196539056448660 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 196539056448660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315640597708800).

196539056448660 is an abundant number, since it is smaller than the sum of its proper divisors (434742138968940).

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

196539056448660 is a wasteful number, since it uses less digits than its factorization.

196539056448660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 72.

The spelling of 196539056448660 in words is "one hundred ninety-six trillion, five hundred thirty-nine billion, fifty-six million, four hundred forty-eight thousand, six hundred sixty".