164764671 has 8 divisors (see below), whose sum is σ = 221819520. Its totient is φ = 108776472.

The previous prime is 164764669. The next prime is 164764703. The reversal of 164764671 is 176467461.

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

It is not a de Polignac number, because 164764671 - 2¹ = 164764669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164764471) 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, 266301 + ... + 266918.

It is an arithmetic number, because the mean of its divisors is an integer number (27727440).

Almost surely, 2^164764671 is an apocalyptic number.

164764671 is a deficient number, since it is larger than the sum of its proper divisors (57054849).

164764671 is a wasteful number, since it uses less digits than its factorization.

164764671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533325.

The product of its digits is 169344, while the sum is 42.

The square root of 164764671 is about 12836.0691412909. The cubic root of 164764671 is about 548.2197768274.

The spelling of 164764671 in words is "one hundred sixty-four million, seven hundred sixty-four thousand, six hundred seventy-one".