164234732 has 18 divisors (see below), whose sum is σ = 293671812. Its totient is φ = 80365864.

The previous prime is 164234731. The next prime is 164234747. The reversal of 164234732 is 237432461.

It is a super-2 number, since 2×164234732² = 53946094390223648, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (164234731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458 + ... + 18129.

Almost surely, 2^164234732 is an apocalyptic number.

It is an amenable number.

164234732 is a deficient number, since it is larger than the sum of its proper divisors (129437080).

164234732 is a wasteful number, since it uses less digits than its factorization.

164234732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18685 (or 18636 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 164234732 is about 12815.4099427213. The cubic root of 164234732 is about 547.6313920525.

The spelling of 164234732 in words is "one hundred sixty-four million, two hundred thirty-four thousand, seven hundred thirty-two".