164785248 has 72 divisors (see below), whose sum is σ = 489001968. Its totient is φ = 52538112.

The previous prime is 164785241. The next prime is 164785261. The reversal of 164785248 is 842587461.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164785241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5815 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (6791694).

Almost surely, 2^164785248 is an apocalyptic number.

164785248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164785248 is an abundant number, since it is smaller than the sum of its proper divisors (324216720).

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

164785248 is a wasteful number, since it uses less digits than its factorization.

164785248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24916 (or 24905 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 164785248 is about 12836.8706466958. The cubic root of 164785248 is about 548.2425977568.

The spelling of 164785248 in words is "one hundred sixty-four million, seven hundred eighty-five thousand, two hundred forty-eight".