164674378 has 16 divisors (see below), whose sum is σ = 272248704. Its totient is φ = 74079360.

The previous prime is 164674357. The next prime is 164674379. The reversal of 164674378 is 873476461.

164674378 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164674379) 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, 36450 + ... + 40717.

It is an arithmetic number, because the mean of its divisors is an integer number (17015544).

Almost surely, 2^164674378 is an apocalyptic number.

164674378 is a deficient number, since it is larger than the sum of its proper divisors (107574326).

164674378 is a wasteful number, since it uses less digits than its factorization.

164674378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77277.

The product of its digits is 677376, while the sum is 46.

The square root of 164674378 is about 12832.5514999941. The cubic root of 164674378 is about 548.1196148751.

The spelling of 164674378 in words is "one hundred sixty-four million, six hundred seventy-four thousand, three hundred seventy-eight".