164551406 has 8 divisors (see below), whose sum is σ = 247535400. Its totient is φ = 82039608.

The previous prime is 164551403. The next prime is 164551421. The reversal of 164551406 is 604155461.

164551406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (164551403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117176 + ... + 118571.

It is an arithmetic number, because the mean of its divisors is an integer number (30941925).

Almost surely, 2^164551406 is an apocalyptic number.

164551406 is a deficient number, since it is larger than the sum of its proper divisors (82983994).

164551406 is a wasteful number, since it uses less digits than its factorization.

164551406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236098.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 164551406 is about 12827.7591963679. The cubic root of 164551406 is about 547.9831432292.

The spelling of 164551406 in words is "one hundred sixty-four million, five hundred fifty-one thousand, four hundred six".