164612434 has 16 divisors (see below), whose sum is σ = 286406208. Its totient is φ = 69494832.

The previous prime is 164612431. The next prime is 164612453. The reversal of 164612434 is 434216461.

It is a junction number, because it is equal to n+sod(n) for n = 164612396 and 164612405.

It is not an unprimeable number, because it can be changed into a prime (164612431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86809 + ... + 88684.

It is an arithmetic number, because the mean of its divisors is an integer number (17900388).

Almost surely, 2^164612434 is an apocalyptic number.

164612434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164612434 is a deficient number, since it is larger than the sum of its proper divisors (121793774).

164612434 is a wasteful number, since it uses less digits than its factorization.

164612434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175569.

The product of its digits is 13824, while the sum is 31.

The square root of 164612434 is about 12830.1377233450. The cubic root of 164612434 is about 548.0508792691.

Adding to 164612434 its reverse (434216461), we get a palindrome (598828895).

The spelling of 164612434 in words is "one hundred sixty-four million, six hundred twelve thousand, four hundred thirty-four".