196635431636352 has 192 divisors, whose sum is σ = 613736353535760. Its totient is φ = 60184923832320.

The previous prime is 196635431636317. The next prime is 196635431636387. The reversal of 196635431636352 is 253636134536691.

196635431636352 is a `hidden beast` number, since 1 + 9 + 6 + 6 + 3 + 543 + 1 + 6 + 36 + 3 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (196635431636317) and next prime (196635431636387).

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 196635431636352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121643598 + ... + 123249485.

Almost surely, 2^{196635431636352} is an apocalyptic number.

196635431636352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196635431636352 is an abundant number, since it is smaller than the sum of its proper divisors (417100921899408).

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

196635431636352 is a wasteful number, since it uses less digits than its factorization.

196635431636352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244893161 (or 244893146 counting only the distinct ones).

The product of its digits is 188956800, while the sum is 63.

The spelling of 196635431636352 in words is "one hundred ninety-six trillion, six hundred thirty-five billion, four hundred thirty-one million, six hundred thirty-six thousand, three hundred fifty-two".