164565153 has 12 divisors (see below), whose sum is σ = 237846180. Its totient is φ = 109645056.

The previous prime is 164565139. The next prime is 164565157. The reversal of 164565153 is 351565461.

164565153 is a `hidden beast` number, since 1 + 645 + 6 + 5 + 1 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 144288144 + 20277009 = 12012^2 + 4503^2 .

It is not a de Polignac number, because 164565153 - 2¹³ = 164556961 is a prime.

It is a super-4 number, since 4×164565153⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (164565157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14425 + ... + 23177.

It is an arithmetic number, because the mean of its divisors is an integer number (19820515).

Almost surely, 2^164565153 is an apocalyptic number.

It is an amenable number.

164565153 is a deficient number, since it is larger than the sum of its proper divisors (73281027).

164565153 is a wasteful number, since it uses less digits than its factorization.

164565153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848 (or 10845 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 164565153 is about 12828.2950153167. The cubic root of 164565153 is about 547.9984027250.

It can be divided in two parts, 16456 and 5153, that added together give a square (21609 = 147²).

The spelling of 164565153 in words is "one hundred sixty-four million, five hundred sixty-five thousand, one hundred fifty-three".