164016378 has 24 divisors (see below), whose sum is σ = 357503328. Its totient is φ = 54343752.

The previous prime is 164016317. The next prime is 164016421. The reversal of 164016378 is 873610461.

164016378 is a `hidden beast` number, since 1 + 640 + 1 + 6 + 3 + 7 + 8 = 666.

164016378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164016378³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24276 + ... + 30287.

It is an arithmetic number, because the mean of its divisors is an integer number (14895972).

Almost surely, 2^164016378 is an apocalyptic number.

164016378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164016378 is an abundant number, since it is smaller than the sum of its proper divisors (193486950).

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

164016378 is a wasteful number, since it uses less digits than its factorization.

164016378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54738 (or 54735 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 164016378 is about 12806.8879123697. The cubic root of 164016378 is about 547.3885880763.

The spelling of 164016378 in words is "one hundred sixty-four million, sixteen thousand, three hundred seventy-eight".