196841944530 has 384 divisors, whose sum is σ = 660817543680. Its totient is φ = 40813977600.

The previous prime is 196841944529. The next prime is 196841944531. The reversal of 196841944530 is 35449148691.

196841944530 is a `hidden beast` number, since 1 + 9 + 68 + 4 + 1 + 9 + 44 + 530 = 666.

It is an interprime number because it is at equal distance from previous prime (196841944529) and next prime (196841944531).

It is a super-2 number, since 2×196841944530² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196841944531) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 201475402 + ... + 201476378.

It is an arithmetic number, because the mean of its divisors is an integer number (1720879020).

Almost surely, 2^196841944530 is an apocalyptic number.

196841944530 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 196841944530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330408771840).

196841944530 is an abundant number, since it is smaller than the sum of its proper divisors (463975599150).

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

196841944530 is a wasteful number, since it uses less digits than its factorization.

196841944530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 196841944530 in words is "one hundred ninety-six billion, eight hundred forty-one million, nine hundred forty-four thousand, five hundred thirty".