197397613632 has 56 divisors (see below), whose sum is σ = 522328908096. Its totient is φ = 65793192448.

The previous prime is 197397613603. The next prime is 197397613687. The reversal of 197397613632 is 236316793791.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387578 + ... + 2468870.

Almost surely, 2^197397613632 is an apocalyptic number.

197397613632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197397613632 is an abundant number, since it is smaller than the sum of its proper divisors (324931294464).

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

197397613632 is a wasteful number, since it uses less digits than its factorization.

197397613632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93955 (or 93945 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 57.

The spelling of 197397613632 in words is "one hundred ninety-seven billion, three hundred ninety-seven million, six hundred thirteen thousand, six hundred thirty-two".