197917712346 has 16 divisors (see below), whose sum is σ = 396143963424. Its totient is φ = 65921147664.

The previous prime is 197917712219. The next prime is 197917712353. The reversal of 197917712346 is 643217719791.

197917712346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12847441 + ... + 12862836.

It is an arithmetic number, because the mean of its divisors is an integer number (24758997714).

Almost surely, 2^197917712346 is an apocalyptic number.

197917712346 is an abundant number, since it is smaller than the sum of its proper divisors (198226251078).

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

197917712346 is a wasteful number, since it uses less digits than its factorization.

197917712346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25711565.

The product of its digits is 4000752, while the sum is 57.

The spelling of 197917712346 in words is "one hundred ninety-seven billion, nine hundred seventeen million, seven hundred twelve thousand, three hundred forty-six".