197610664 has 32 divisors (see below), whose sum is σ = 387699840. Its totient is φ = 94248000.

The previous prime is 197610661. The next prime is 197610667. The reversal of 197610664 is 466016791.

197610664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197610661) and next prime (197610667).

It is not an unprimeable number, because it can be changed into a prime (197610661) 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, 76189 + ... + 78739.

It is an arithmetic number, because the mean of its divisors is an integer number (12115620).

Almost surely, 2^197610664 is an apocalyptic number.

It is an amenable number.

197610664 is a deficient number, since it is larger than the sum of its proper divisors (190089176).

197610664 is a wasteful number, since it uses less digits than its factorization.

197610664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 197610664 is about 14057.4060196040. The cubic root of 197610664 is about 582.4653914244.

The spelling of 197610664 in words is "one hundred ninety-seven million, six hundred ten thousand, six hundred sixty-four".