196181843264730 has 128 divisors (see below), whose sum is σ = 534338760130560. Its totient is φ = 51196674957120.

The previous prime is 196181843264717. The next prime is 196181843264741. The reversal of 196181843264730 is 37462348181691.

196181843264730 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 81 + 84 + 3 + 2 + 6 + 473 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120341775 + ... + 121961085.

It is an arithmetic number, because the mean of its divisors is an integer number (4174521563520).

Almost surely, 2^{196181843264730} is an apocalyptic number.

196181843264730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196181843264730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267169380065280).

196181843264730 is an abundant number, since it is smaller than the sum of its proper divisors (338156916865830).

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

196181843264730 is a wasteful number, since it uses less digits than its factorization.

196181843264730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628921 (or 1628915 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 196181843264730 in words is "one hundred ninety-six trillion, one hundred eighty-one billion, eight hundred forty-three million, two hundred sixty-four thousand, seven hundred thirty".