197938658832 has 40 divisors (see below), whose sum is σ = 523233204384. Its totient is φ = 64445144064.

The previous prime is 197938658807. The next prime is 197938658833. The reversal of 197938658832 is 238856839791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197938658833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47948193 + ... + 47952320.

Almost surely, 2^197938658832 is an apocalyptic number.

197938658832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197938658832 is an abundant number, since it is smaller than the sum of its proper divisors (325294545552).

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

197938658832 is a wasteful number, since it uses less digits than its factorization.

197938658832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95900567 (or 95900561 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The spelling of 197938658832 in words is "one hundred ninety-seven billion, nine hundred thirty-eight million, six hundred fifty-eight thousand, eight hundred thirty-two".