164031297 has 4 divisors (see below), whose sum is σ = 218708400. Its totient is φ = 109354196.

The previous prime is 164031289. The next prime is 164031299. The reversal of 164031297 is 792130461.

164031297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164031297 - 2³ = 164031289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164031299) 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, 27338547 + ... + 27338552.

It is an arithmetic number, because the mean of its divisors is an integer number (54677100).

Almost surely, 2^164031297 is an apocalyptic number.

It is an amenable number.

164031297 is a deficient number, since it is larger than the sum of its proper divisors (54677103).

164031297 is an equidigital number, since it uses as much as digits as its factorization.

164031297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54677102.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 164031297 is about 12807.4703591303. The cubic root of 164031297 is about 547.4051844733.

The spelling of 164031297 in words is "one hundred sixty-four million, thirty-one thousand, two hundred ninety-seven".