164550000 has 120 divisors (see below), whose sum is σ = 531809712. Its totient is φ = 43840000.

The previous prime is 164549977. The next prime is 164550049. The reversal of 164550000 is 55461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149452 + ... + 150548.

Almost surely, 2^164550000 is an apocalyptic number.

164550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265904856).

164550000 is an abundant number, since it is smaller than the sum of its proper divisors (367259712).

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

164550000 is an equidigital number, since it uses as much as digits as its factorization.

164550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 164550000 is about 12827.7043932264. The cubic root of 164550000 is about 547.9815824879.

The spelling of 164550000 in words is "one hundred sixty-four million, five hundred fifty thousand".