164452136 has 8 divisors (see below), whose sum is σ = 308347770. Its totient is φ = 82226064.

The previous prime is 164452129. The next prime is 164452187. The reversal of 164452136 is 631254461.

164452136 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 only one way, i.e., 156100036 + 8352100 = 12494^2 + 2890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×164452136⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10278251 + ... + 10278266.

Almost surely, 2^164452136 is an apocalyptic number.

It is an amenable number.

164452136 is a deficient number, since it is larger than the sum of its proper divisors (143895634).

164452136 is a wasteful number, since it uses less digits than its factorization.

164452136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20556523 (or 20556519 counting only the distinct ones).

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

The square root of 164452136 is about 12823.8892696405. The cubic root of 164452136 is about 547.8729259406.

It can be divided in two parts, 16445 and 2136, that added together give a palindrome (18581).

The spelling of 164452136 in words is "one hundred sixty-four million, four hundred fifty-two thousand, one hundred thirty-six".