197270746158 has 32 divisors (see below), whose sum is σ = 395823920544. Its totient is φ = 65543288832.

The previous prime is 197270746147. The next prime is 197270746247. The reversal of 197270746158 is 851647072791.

197270746158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 197270746098 and 197270746107.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8434216 + ... + 8457572.

It is an arithmetic number, because the mean of its divisors is an integer number (12369497517).

Almost surely, 2^197270746158 is an apocalyptic number.

197270746158 is an abundant number, since it is smaller than the sum of its proper divisors (198553174386).

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

197270746158 is a wasteful number, since it uses less digits than its factorization.

197270746158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27876.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 197270746158 in words is "one hundred ninety-seven billion, two hundred seventy million, seven hundred forty-six thousand, one hundred fifty-eight".