164581118 has 8 divisors (see below), whose sum is σ = 265861848. Its totient is φ = 75960504.

The previous prime is 164581117. The next prime is 164581121. The reversal of 164581118 is 811185461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164581117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164996 + ... + 3165047.

It is an arithmetic number, because the mean of its divisors is an integer number (33232731).

Almost surely, 2^164581118 is an apocalyptic number.

164581118 is a deficient number, since it is larger than the sum of its proper divisors (101280730).

164581118 is a wasteful number, since it uses less digits than its factorization.

164581118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330058.

The product of its digits is 7680, while the sum is 35.

The square root of 164581118 is about 12828.9172575085. The cubic root of 164581118 is about 548.0161231870.

It can be divided in two parts, 16458 and 1118, that added together give a cube (17576 = 26³).

The spelling of 164581118 in words is "one hundred sixty-four million, five hundred eighty-one thousand, one hundred eighteen".