164127478 has 8 divisors (see below), whose sum is σ = 251429472. Its totient is φ = 80317656.

The previous prime is 164127461. The next prime is 164127479. The reversal of 164127478 is 874721461.

It is a happy number.

164127478 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 a self number, because there is not a number n which added to its sum of digits gives 164127478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164127479) 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, 872925 + ... + 873112.

It is an arithmetic number, because the mean of its divisors is an integer number (31428684).

Almost surely, 2^164127478 is an apocalyptic number.

164127478 is a deficient number, since it is larger than the sum of its proper divisors (87301994).

164127478 is a wasteful number, since it uses less digits than its factorization.

164127478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746086.

The product of its digits is 75264, while the sum is 40.

The square root of 164127478 is about 12811.2246877494. The cubic root of 164127478 is about 547.5121553010.

The spelling of 164127478 in words is "one hundred sixty-four million, one hundred twenty-seven thousand, four hundred seventy-eight".