164546132 has 18 divisors (see below), whose sum is σ = 293722254. Its totient is φ = 80629120.

The previous prime is 164546131. The next prime is 164546143. The reversal of 164546132 is 231645461.

164546132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3865156 + 160680976 = 1966^2 + 12676^2 .

It is a super-2 number, since 2×164546132² = 54150859112322848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164546131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186332 + ... + 187212.

It is an arithmetic number, because the mean of its divisors is an integer number (16317903).

Almost surely, 2^164546132 is an apocalyptic number.

It is an amenable number.

164546132 is a deficient number, since it is larger than the sum of its proper divisors (129176122).

164546132 is an frugal number, since it uses more digits than its factorization.

164546132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 936 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 164546132 is about 12827.5536249123. The cubic root of 164546132 is about 547.9772887386.

The spelling of 164546132 in words is "one hundred sixty-four million, five hundred forty-six thousand, one hundred thirty-two".