164671697 has 8 divisors (see below), whose sum is σ = 172138176. Its totient is φ = 157230832.

The previous prime is 164671687. The next prime is 164671769. The reversal of 164671697 is 796176461.

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

It is a cyclic number.

It is not a de Polignac number, because 164671697 - 2¹⁴ = 164655313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164671687) 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, 7403 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (21517272).

Almost surely, 2^164671697 is an apocalyptic number.

It is an amenable number.

164671697 is a deficient number, since it is larger than the sum of its proper divisors (7466479).

164671697 is a wasteful number, since it uses less digits than its factorization.

164671697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807.

The product of its digits is 381024, while the sum is 47.

The square root of 164671697 is about 12832.4470386595. The cubic root of 164671697 is about 548.1166402844.

The spelling of 164671697 in words is "one hundred sixty-four million, six hundred seventy-one thousand, six hundred ninety-seven".