196266248077 has 4 divisors (see below), whose sum is σ = 196828615900. Its totient is φ = 195703880256.

The previous prime is 196266248071. The next prime is 196266248081. The reversal of 196266248077 is 770842662691.

It is a happy number.

196266248077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135404864676 + 60861383401 = 367974^2 + 246701^2 .

It is a cyclic number.

It is not a de Polignac number, because 196266248077 - 2³ = 196266248069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196266248071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281183388 + ... + 281184085.

It is an arithmetic number, because the mean of its divisors is an integer number (49207153975).

Almost surely, 2^196266248077 is an apocalyptic number.

It is an amenable number.

196266248077 is a deficient number, since it is larger than the sum of its proper divisors (562367823).

196266248077 is an equidigital number, since it uses as much as digits as its factorization.

196266248077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562367822.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 196266248077 in words is "one hundred ninety-six billion, two hundred sixty-six million, two hundred forty-eight thousand, seventy-seven".