196711849995156 has 72 divisors (see below), whose sum is σ = 499490075231784. Its totient is φ = 65274536616960.

The previous prime is 196711849995151. The next prime is 196711849995173. The reversal of 196711849995156 is 651599948117691.

196711849995156 is a `hidden beast` number, since 1 + 9 + 6 + 7 + 1 + 1 + 8 + 4 + 9 + 99 + 515 + 6 = 666.

196711849995156 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11597702691600 + 185114147303556 = 3405540^2 + 13605666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196711849995151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34754446 + ... + 40016186.

It is an arithmetic number, because the mean of its divisors is an integer number (6937362155997).

Almost surely, 2^{196711849995156} is an apocalyptic number.

It is an amenable number.

196711849995156 is an abundant number, since it is smaller than the sum of its proper divisors (302778225236628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196711849995156 is a wasteful number, since it uses less digits than its factorization.

196711849995156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266441 (or 5266436 counting only the distinct ones).

The product of its digits is 1322697600, while the sum is 81.

The spelling of 196711849995156 in words is "one hundred ninety-six trillion, seven hundred eleven billion, eight hundred forty-nine million, nine hundred ninety-five thousand, one hundred fifty-six".