164122500 has 120 divisors (see below), whose sum is σ = 486344320. Its totient is φ = 43056000.

The previous prime is 164122493. The next prime is 164122523. The reversal of 164122500 is 5221461.

164122500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 592362 + ... + 592638.

Almost surely, 2^164122500 is an apocalyptic number.

164122500 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 164122500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243172160).

164122500 is an abundant number, since it is smaller than the sum of its proper divisors (322221820).

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

164122500 is a wasteful number, since it uses less digits than its factorization.

164122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 164122500 is about 12811.0304035234. The cubic root of 164122500 is about 547.5066198820.

Adding to 164122500 its reverse (5221461), we get a palindrome (169343961).

The spelling of 164122500 in words is "one hundred sixty-four million, one hundred twenty-two thousand, five hundred".