164406532 has 6 divisors (see below), whose sum is σ = 287711438. Its totient is φ = 82203264.

The previous prime is 164406523. The next prime is 164406551. The reversal of 164406532 is 235604461.

It can be written as a sum of positive squares in only one way, i.e., 164198596 + 207936 = 12814^2 + 456^2 .

It is a super-3 number, since 3×164406532³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164406494 and 164406503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20550813 + ... + 20550820.

Almost surely, 2^164406532 is an apocalyptic number.

It is an amenable number.

164406532 is a deficient number, since it is larger than the sum of its proper divisors (123304906).

164406532 is a wasteful number, since it uses less digits than its factorization.

164406532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41101637 (or 41101635 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 164406532 is about 12822.1110586362. Note that the first 3 decimals coincide. The cubic root of 164406532 is about 547.8222779580.

The spelling of 164406532 in words is "one hundred sixty-four million, four hundred six thousand, five hundred thirty-two".