164855448 has 24 divisors (see below), whose sum is σ = 446483700. Its totient is φ = 54951792.

The previous prime is 164855447. The next prime is 164855479. The reversal of 164855448 is 844558461.

It is a happy number.

164855448 is a `hidden beast` number, since 16 + 48 + 554 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164855447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1144758 + ... + 1144901.

Almost surely, 2^164855448 is an apocalyptic number.

164855448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164855448 is an abundant number, since it is smaller than the sum of its proper divisors (281628252).

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

164855448 is a wasteful number, since it uses less digits than its factorization.

164855448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289671 (or 2289664 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 164855448 is about 12839.6046668112. The cubic root of 164855448 is about 548.3204387992.

The spelling of 164855448 in words is "one hundred sixty-four million, eight hundred fifty-five thousand, four hundred forty-eight".