164288670 has 96 divisors (see below), whose sum is σ = 494006688. Its totient is φ = 34659072.

The previous prime is 164288669. The next prime is 164288689. The reversal of 164288670 is 76882461.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14812 + ... + 23408.

It is an arithmetic number, because the mean of its divisors is an integer number (5145903).

Almost surely, 2^164288670 is an apocalyptic number.

164288670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164288670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247003344).

164288670 is an abundant number, since it is smaller than the sum of its proper divisors (329718018).

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

164288670 is a wasteful number, since it uses less digits than its factorization.

164288670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 164288670 is about 12817.5141895767. The cubic root of 164288670 is about 547.6913365572.

The spelling of 164288670 in words is "one hundred sixty-four million, two hundred eighty-eight thousand, six hundred seventy".