164315140 has 48 divisors (see below), whose sum is σ = 379459584. Its totient is φ = 59270400.

The previous prime is 164315119. The next prime is 164315143. The reversal of 164315140 is 41513461.

It is not an unprimeable number, because it can be changed into a prime (164315143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25000 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (7905408).

Almost surely, 2^164315140 is an apocalyptic number.

164315140 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 164315140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189729792).

164315140 is an abundant number, since it is smaller than the sum of its proper divisors (215144444).

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

164315140 is a wasteful number, since it uses less digits than its factorization.

164315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028 (or 6026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164315140 is about 12818.5467194998. The cubic root of 164315140 is about 547.7207494419.

The spelling of 164315140 in words is "one hundred sixty-four million, three hundred fifteen thousand, one hundred forty".