164263560 has 64 divisors (see below), whose sum is σ = 496152000. Its totient is φ = 43504896.

The previous prime is 164263529. The next prime is 164263577. The reversal of 164263560 is 65362461.

It is an unprimeable number.

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, 13287 + ... + 22473.

It is an arithmetic number, because the mean of its divisors is an integer number (7752375).

Almost surely, 2^164263560 is an apocalyptic number.

164263560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164263560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248076000).

164263560 is an abundant number, since it is smaller than the sum of its proper divisors (331888440).

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

164263560 is a wasteful number, since it uses less digits than its factorization.

164263560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 164263560 is about 12816.5346330434. The cubic root of 164263560 is about 547.6634319545.

The spelling of 164263560 in words is "one hundred sixty-four million, two hundred sixty-three thousand, five hundred sixty".