164020879 has 8 divisors (see below), whose sum is σ = 189457488. Its totient is φ = 140338560.

The previous prime is 164020873. The next prime is 164020903. The reversal of 164020879 is 978020461.

164020879 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 cyclic number.

It is not a de Polignac number, because 164020879 - 2¹¹ = 164018831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164020873) 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, 438372 + ... + 438745.

It is an arithmetic number, because the mean of its divisors is an integer number (23682186).

Almost surely, 2^164020879 is an apocalyptic number.

164020879 is a deficient number, since it is larger than the sum of its proper divisors (25436609).

164020879 is a wasteful number, since it uses less digits than its factorization.

164020879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877145.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 164020879 is about 12807.0636369154. The cubic root of 164020879 is about 547.3935952460.

The spelling of 164020879 in words is "one hundred sixty-four million, twenty thousand, eight hundred seventy-nine".