197074662144 has 36 divisors (see below), whose sum is σ = 524506003896. Its totient is φ = 65691553792.

The previous prime is 197074662143. The next prime is 197074662173. The reversal of 197074662144 is 441266470791.

It is not an unprimeable number, because it can be changed into a prime (197074662143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128303049 + ... + 128304584.

Almost surely, 2^197074662144 is an apocalyptic number.

It is an amenable number.

197074662144 is an abundant number, since it is smaller than the sum of its proper divisors (327431341752).

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

197074662144 is an equidigital number, since it uses as much as digits as its factorization.

197074662144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256607652 (or 256607638 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 197074662144 in words is "one hundred ninety-seven billion, seventy-four million, six hundred sixty-two thousand, one hundred forty-four".