164342136 has 64 divisors (see below), whose sum is σ = 471628800. Its totient is φ = 46747008.

The previous prime is 164342131. The next prime is 164342141. The reversal of 164342136 is 631243461.

It is an interprime number because it is at equal distance from previous prime (164342131) and next prime (164342141).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164342131) 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, 38106 + ... + 42198.

It is an arithmetic number, because the mean of its divisors is an integer number (7369200).

Almost surely, 2^164342136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164342136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235814400).

164342136 is an abundant number, since it is smaller than the sum of its proper divisors (307286664).

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

164342136 is a wasteful number, since it uses less digits than its factorization.

164342136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4344 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 164342136 is about 12819.5996817373. The cubic root of 164342136 is about 547.7507435530.

Adding to 164342136 its reverse (631243461), we get a palindrome (795585597).

The spelling of 164342136 in words is "one hundred sixty-four million, three hundred forty-two thousand, one hundred thirty-six".