196471648255 has 16 divisors (see below), whose sum is σ = 244381218048. Its totient is φ = 151475904000.

The previous prime is 196471648253. The next prime is 196471648279. The reversal of 196471648255 is 552846174691.

It is not a de Polignac number, because 196471648255 - 2¹ = 196471648253 is a prime.

It is a super-2 number, since 2×196471648255² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196471648255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196471648253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592436 + ... + 2667145.

It is an arithmetic number, because the mean of its divisors is an integer number (15273826128).

Almost surely, 2^196471648255 is an apocalyptic number.

196471648255 is a deficient number, since it is larger than the sum of its proper divisors (47909569793).

196471648255 is a wasteful number, since it uses less digits than its factorization.

196471648255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259858.

The product of its digits is 14515200, while the sum is 58.

The spelling of 196471648255 in words is "one hundred ninety-six billion, four hundred seventy-one million, six hundred forty-eight thousand, two hundred fifty-five".