197018419572 has 36 divisors (see below), whose sum is σ = 536327921220. Its totient is φ = 60621052032.

The previous prime is 197018419571. The next prime is 197018419601. The reversal of 197018419572 is 275914810791.

197018419572 is a `hidden beast` number, since 19 + 7 + 0 + 18 + 41 + 9 + 572 = 666.

197018419572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79256888676 + 117761530896 = 281526^2 + 343164^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197018419571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210489297 + ... + 210490232.

Almost surely, 2^197018419572 is an apocalyptic number.

197018419572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197018419572 is an abundant number, since it is smaller than the sum of its proper divisors (339309501648).

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

197018419572 is a wasteful number, since it uses less digits than its factorization.

197018419572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420979552 (or 420979547 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 197018419572 in words is "one hundred ninety-seven billion, eighteen million, four hundred nineteen thousand, five hundred seventy-two".