196279147321155 has 192 divisors, whose sum is σ = 362480020081920. Its totient is φ = 98032016130048.

The previous prime is 196279147321133. The next prime is 196279147321181. The reversal of 196279147321155 is 551123741972691.

It is a happy number.

196279147321155 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 7 + 9 + 1 + 473 + 2 + 1 + 155 = 666.

196279147321155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 14009966²-1.

It is not a de Polignac number, because 196279147321155 - 2⁵ = 196279147321123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196279147321092 and 196279147321101.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 70680282127 + ... + 70680284903.

It is an arithmetic number, because the mean of its divisors is an integer number (1887916771260).

Almost surely, 2^{196279147321155} is an apocalyptic number.

196279147321155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196279147321155 is a deficient number, since it is larger than the sum of its proper divisors (166200872760765).

196279147321155 is a wasteful number, since it uses less digits than its factorization.

196279147321155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5147 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 63.

The spelling of 196279147321155 in words is "one hundred ninety-six trillion, two hundred seventy-nine billion, one hundred forty-seven million, three hundred twenty-one thousand, one hundred fifty-five".