164688297 has 8 divisors (see below), whose sum is σ = 219646944. Its totient is φ = 109760928.

The previous prime is 164688289. The next prime is 164688313. The reversal of 164688297 is 792886461.

164688297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164688297 - 2³ = 164688289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164688217) 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, 10813 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (27455868).

Almost surely, 2^164688297 is an apocalyptic number.

It is an amenable number.

164688297 is a deficient number, since it is larger than the sum of its proper divisors (54958647).

164688297 is a wasteful number, since it uses less digits than its factorization.

164688297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639.

The product of its digits is 1161216, while the sum is 51.

The square root of 164688297 is about 12833.0938202758. The cubic root of 164688297 is about 548.1350575973.

The spelling of 164688297 in words is "one hundred sixty-four million, six hundred eighty-eight thousand, two hundred ninety-seven".