164004738 has 8 divisors (see below), whose sum is σ = 328009488. Its totient is φ = 54668244.

The previous prime is 164004733. The next prime is 164004769. The reversal of 164004738 is 837400461.

It is a sphenic number, since it is the product of 3 distinct primes.

164004738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 164004699 and 164004708.

It is not an unprimeable number, because it can be changed into a prime (164004733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13667056 + ... + 13667067.

It is an arithmetic number, because the mean of its divisors is an integer number (41001186).

Almost surely, 2^164004738 is an apocalyptic number.

164004738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164004738 is a wasteful number, since it uses less digits than its factorization.

164004738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27334128.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 164004738 is about 12806.4334613506. The cubic root of 164004738 is about 547.3756386502.

The spelling of 164004738 in words is "one hundred sixty-four million, four thousand, seven hundred thirty-eight".