164508378 has 16 divisors (see below), whose sum is σ = 329298816. Its totient is φ = 54789120.

The previous prime is 164508353. The next prime is 164508427. The reversal of 164508378 is 873805461.

164508378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751 + ... + 18522.

It is an arithmetic number, because the mean of its divisors is an integer number (20581176).

Almost surely, 2^164508378 is an apocalyptic number.

164508378 is an abundant number, since it is smaller than the sum of its proper divisors (164790438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164508378 is a wasteful number, since it uses less digits than its factorization.

164508378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23509.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 164508378 is about 12826.0819426667. The cubic root of 164508378 is about 547.9353756354.

The spelling of 164508378 in words is "one hundred sixty-four million, five hundred eight thousand, three hundred seventy-eight".