197002224657 has 32 divisors (see below), whose sum is σ = 337567426560. Its totient is φ = 111216393360.

The previous prime is 197002224619. The next prime is 197002224667. The reversal of 197002224657 is 756422200791.

It is not a de Polignac number, because 197002224657 - 2¹² = 197002220561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197002224667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6263469 + ... + 6294842.

It is an arithmetic number, because the mean of its divisors is an integer number (10548982080).

Almost surely, 2^197002224657 is an apocalyptic number.

It is an amenable number.

197002224657 is a deficient number, since it is larger than the sum of its proper divisors (140565201903).

197002224657 is a wasteful number, since it uses less digits than its factorization.

197002224657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558410 (or 12558404 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 197002224657 in words is "one hundred ninety-seven billion, two million, two hundred twenty-four thousand, six hundred fifty-seven".