196646747055 has 32 divisors (see below), whose sum is σ = 343274388480. Its totient is φ = 95333758080.

The previous prime is 196646746963. The next prime is 196646747071. The reversal of 196646747055 is 550747646691.

It is not a de Polignac number, because 196646747055 - 2⁷ = 196646746927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196646747055.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1633626 + ... + 1749864.

It is an arithmetic number, because the mean of its divisors is an integer number (10727324640).

Almost surely, 2^196646747055 is an apocalyptic number.

196646747055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196646747055 is a deficient number, since it is larger than the sum of its proper divisors (146627641425).

196646747055 is a wasteful number, since it uses less digits than its factorization.

196646747055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126511.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 196646747055 in words is "one hundred ninety-six billion, six hundred forty-six million, seven hundred forty-seven thousand, fifty-five".