197253297656 has 32 divisors (see below), whose sum is σ = 380638787760. Its totient is φ = 95776138752.

The previous prime is 197253297617. The next prime is 197253297673. The reversal of 197253297656 is 656792352791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597745 + ... + 1716768.

Almost surely, 2^197253297656 is an apocalyptic number.

It is an amenable number.

197253297656 is a deficient number, since it is larger than the sum of its proper divisors (183385490104).

197253297656 is a wasteful number, since it uses less digits than its factorization.

197253297656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314735 (or 3314731 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 62.

The spelling of 197253297656 in words is "one hundred ninety-seven billion, two hundred fifty-three million, two hundred ninety-seven thousand, six hundred fifty-six".