164454460 has 48 divisors (see below), whose sum is σ = 352719360. Its totient is φ = 64393280.

The previous prime is 164454421. The next prime is 164454461. The reversal of 164454460 is 64454461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164454461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253857 + ... + 254503.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^164454460 is an apocalyptic number.

164454460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164454460 is an abundant number, since it is smaller than the sum of its proper divisors (188264900).

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

164454460 is a wasteful number, since it uses less digits than its factorization.

164454460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 164454460 is about 12823.9798814565. The cubic root of 164454460 is about 547.8755067335.

Subtracting from 164454460 its reverse (64454461), we obtain a palindrome (99999999).

The spelling of 164454460 in words is "one hundred sixty-four million, four hundred fifty-four thousand, four hundred sixty".