164545406 has 8 divisors (see below), whose sum is σ = 247110024. Its totient is φ = 82175400.

The previous prime is 164545399. The next prime is 164545421. The reversal of 164545406 is 604545461.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46520 + ... + 49931.

It is an arithmetic number, because the mean of its divisors is an integer number (30888753).

Almost surely, 2^164545406 is an apocalyptic number.

164545406 is a deficient number, since it is larger than the sum of its proper divisors (82564618).

164545406 is an equidigital number, since it uses as much as digits as its factorization.

164545406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97306.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 164545406 is about 12827.5253264221. The cubic root of 164545406 is about 547.9764828205.

The spelling of 164545406 in words is "one hundred sixty-four million, five hundred forty-five thousand, four hundred six".