164331530 has 32 divisors (see below), whose sum is σ = 323326080. Its totient is φ = 59638720.

The previous prime is 164331511. The next prime is 164331533. The reversal of 164331530 is 35133461.

It is a self number, because there is not a number n which added to its sum of digits gives 164331530.

It is not an unprimeable number, because it can be changed into a prime (164331533) 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, 70016 + ... + 72324.

It is an arithmetic number, because the mean of its divisors is an integer number (10103940).

Almost surely, 2^164331530 is an apocalyptic number.

164331530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164331530 is a deficient number, since it is larger than the sum of its proper divisors (158994550).

164331530 is a wasteful number, since it uses less digits than its factorization.

164331530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 164331530 is about 12819.1860116000. The cubic root of 164331530 is about 547.7389600678.

Adding to 164331530 its reverse (35133461), we get a palindrome (199464991).

The spelling of 164331530 in words is "one hundred sixty-four million, three hundred thirty-one thousand, five hundred thirty".