197966262852 has 18 divisors (see below), whose sum is σ = 500414720078. Its totient is φ = 65988754272.

The previous prime is 197966262827. The next prime is 197966262863. The reversal of 197966262852 is 258262669791.

197966262852 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 only one way, i.e., 190275674436 + 7690588416 = 436206^2 + 87696^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 197966262852.

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 5 ways as a sum of consecutive naturals, for example, 2749531393 + ... + 2749531464.

Almost surely, 2^197966262852 is an apocalyptic number.

197966262852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197966262852 is an abundant number, since it is smaller than the sum of its proper divisors (302448457226).

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

197966262852 is a wasteful number, since it uses less digits than its factorization.

197966262852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499062867 (or 5499062862 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 197966262852 in words is "one hundred ninety-seven billion, nine hundred sixty-six million, two hundred sixty-two thousand, eight hundred fifty-two".