164424470 has 64 divisors (see below), whose sum is σ = 358041600. Its totient is φ = 53146368.

The previous prime is 164424443. The next prime is 164424479. The reversal of 164424470 is 74424461.

It is a super-3 number, since 3×164424470³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164424479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116831 + ... + 118229.

It is an arithmetic number, because the mean of its divisors is an integer number (5594400).

Almost surely, 2^164424470 is an apocalyptic number.

164424470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164424470 is an abundant number, since it is smaller than the sum of its proper divisors (193617130).

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

164424470 is a wasteful number, since it uses less digits than its factorization.

164424470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 164424470 is about 12822.8105343563. The cubic root of 164424470 is about 547.8422010890.

Subtracting from 164424470 its reverse (74424461), we obtain a palindrome (90000009).

The spelling of 164424470 in words is "one hundred sixty-four million, four hundred twenty-four thousand, four hundred seventy".