164225508 has 24 divisors (see below), whose sum is σ = 405734112. Its totient is φ = 51521664.

The previous prime is 164225483. The next prime is 164225533. The reversal of 164225508 is 805522461.

164225508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164225483) and next prime (164225533).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402310 + ... + 402717.

It is an arithmetic number, because the mean of its divisors is an integer number (16905588).

Almost surely, 2^164225508 is an apocalyptic number.

It is an amenable number.

164225508 is an abundant number, since it is smaller than the sum of its proper divisors (241508604).

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

164225508 is a wasteful number, since it uses less digits than its factorization.

164225508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805051 (or 805049 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 164225508 is about 12815.0500584274. The cubic root of 164225508 is about 547.6211395591.

Adding to 164225508 its reverse (805522461), we get a palindrome (969747969).

The spelling of 164225508 in words is "one hundred sixty-four million, two hundred twenty-five thousand, five hundred eight".