164170623 has 8 divisors (see below), whose sum is σ = 218967808. Its totient is φ = 109410264.

The previous prime is 164170607. The next prime is 164170631. The reversal of 164170623 is 326071461.

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

It is not a de Polignac number, because 164170623 - 2⁴ = 164170607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164170663) 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, 3840 + ... + 18522.

It is an arithmetic number, because the mean of its divisors is an integer number (27370976).

Almost surely, 2^164170623 is an apocalyptic number.

164170623 is a deficient number, since it is larger than the sum of its proper divisors (54797185).

164170623 is a wasteful number, since it uses less digits than its factorization.

164170623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18413.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 164170623 is about 12812.9084520260. The cubic root of 164170623 is about 547.5601268383.

The spelling of 164170623 in words is "one hundred sixty-four million, one hundred seventy thousand, six hundred twenty-three".