196521462775 has 96 divisors (see below), whose sum is σ = 287231901696. Its totient is φ = 131891760000.

The previous prime is 196521462743. The next prime is 196521462829. The reversal of 196521462775 is 577264125691.

It is not a de Polignac number, because 196521462775 - 2⁵ = 196521462743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 95 ways as a sum of consecutive naturals, for example, 71958160 + ... + 71960890.

It is an arithmetic number, because the mean of its divisors is an integer number (2991998976).

Almost surely, 2^196521462775 is an apocalyptic number.

196521462775 is a deficient number, since it is larger than the sum of its proper divisors (90710438921).

196521462775 is a wasteful number, since it uses less digits than its factorization.

196521462775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3168 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 196521462775 in words is "one hundred ninety-six billion, five hundred twenty-one million, four hundred sixty-two thousand, seven hundred seventy-five".