196022843291 has 24 divisors (see below), whose sum is σ = 223816884480. Its totient is φ = 170247242000.

The previous prime is 196022843221. The next prime is 196022843309. The reversal of 196022843291 is 192348220691.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-196022843291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196022843221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4862066 + ... + 4902216.

It is an arithmetic number, because the mean of its divisors is an integer number (9325703520).

Almost surely, 2^196022843291 is an apocalyptic number.

196022843291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196022843291 is a deficient number, since it is larger than the sum of its proper divisors (27794041189).

196022843291 is a wasteful number, since it uses less digits than its factorization.

196022843291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41047 (or 41024 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 196022843291 in words is "one hundred ninety-six billion, twenty-two million, eight hundred forty-three thousand, two hundred ninety-one".