164945448 has 48 divisors (see below), whose sum is σ = 447720000. Its totient is φ = 54859680.

The previous prime is 164945413. The next prime is 164945453. The reversal of 164945448 is 844549461.

164945448 is a `hidden beast` number, since 16 + 4 + 94 + 544 + 8 = 666.

164945448 is digitally balanced in base 2, 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 11 ways as a sum of consecutive naturals, for example, 33633 + ... + 38223.

It is an arithmetic number, because the mean of its divisors is an integer number (9327500).

Almost surely, 2^164945448 is an apocalyptic number.

164945448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164945448 is an abundant number, since it is smaller than the sum of its proper divisors (282774552).

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

164945448 is a wasteful number, since it uses less digits than its factorization.

164945448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5095 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 164945448 is about 12843.1089694046. The cubic root of 164945448 is about 548.4202026882.

The spelling of 164945448 in words is "one hundred sixty-four million, nine hundred forty-five thousand, four hundred forty-eight".