196775754641 has 8 divisors (see below), whose sum is σ = 197330950440. Its totient is φ = 196220812672.

The previous prime is 196775754583. The next prime is 196775754661. The reversal of 196775754641 is 146457577691.

It can be written as a sum of positive squares in 4 ways, for example, as 21227324416 + 175548430225 = 145696^2 + 418985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196775754641 - 2¹⁰ = 196775753617 is a prime.

It is a super-2 number, since 2×196775754641² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196775754661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546541 + ... + 1668933.

It is an arithmetic number, because the mean of its divisors is an integer number (24666368805).

Almost surely, 2^196775754641 is an apocalyptic number.

It is an amenable number.

196775754641 is a deficient number, since it is larger than the sum of its proper divisors (555195799).

196775754641 is a wasteful number, since it uses less digits than its factorization.

196775754641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126915.

The product of its digits is 44452800, while the sum is 62.

The spelling of 196775754641 in words is "one hundred ninety-six billion, seven hundred seventy-five million, seven hundred fifty-four thousand, six hundred forty-one".