197522000636 has 12 divisors (see below), whose sum is σ = 348186593328. Its totient is φ = 98040116832.

The previous prime is 197522000629. The next prime is 197522000647. The reversal of 197522000636 is 636000225791.

It is a junction number, because it is equal to n+sod(n) for n = 197522000593 and 197522000602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180220256 + ... + 180221351.

It is an arithmetic number, because the mean of its divisors is an integer number (29015549444).

Almost surely, 2^197522000636 is an apocalyptic number.

It is an amenable number.

197522000636 is a deficient number, since it is larger than the sum of its proper divisors (150664592692).

197522000636 is a wasteful number, since it uses less digits than its factorization.

197522000636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360441748 (or 360441746 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 197522000636 in words is "one hundred ninety-seven billion, five hundred twenty-two million, six hundred thirty-six", and thus it is an aban number.