164473874 has 8 divisors (see below), whose sum is σ = 257437440. Its totient is φ = 78661396.

The previous prime is 164473853. The next prime is 164473889. The reversal of 164473874 is 478374461.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787714 + ... + 1787805.

It is an arithmetic number, because the mean of its divisors is an integer number (32179680).

Almost surely, 2^164473874 is an apocalyptic number.

164473874 is a deficient number, since it is larger than the sum of its proper divisors (92963566).

164473874 is a wasteful number, since it uses less digits than its factorization.

164473874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575544.

The product of its digits is 451584, while the sum is 44.

The square root of 164473874 is about 12824.7368004182. The cubic root of 164473874 is about 547.8970649541.

The spelling of 164473874 in words is "one hundred sixty-four million, four hundred seventy-three thousand, eight hundred seventy-four".