197600190644 has 12 divisors (see below), whose sum is σ = 350177553600. Its totient is φ = 97549461048.

The previous prime is 197600190643. The next prime is 197600190649. The reversal of 197600190644 is 446091006791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197600190643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312658214 + ... + 312658845.

It is an arithmetic number, because the mean of its divisors is an integer number (29181462800).

Almost surely, 2^197600190644 is an apocalyptic number.

It is an amenable number.

197600190644 is a deficient number, since it is larger than the sum of its proper divisors (152577362956).

197600190644 is a wasteful number, since it uses less digits than its factorization.

197600190644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625317142 (or 625317140 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 197600190644 in words is "one hundred ninety-seven billion, six hundred million, one hundred ninety thousand, six hundred forty-four".