164488275 has 72 divisors (see below), whose sum is σ = 339151904. Its totient is φ = 74649600.

The previous prime is 164488267. The next prime is 164488343. The reversal of 164488275 is 572884461.

164488275 is a `hidden beast` number, since 164 + 488 + 2 + 7 + 5 = 666.

It is not a de Polignac number, because 164488275 - 2³ = 164488267 is a prime.

It is a super-2 number, since 2×164488275² = 54112785224951250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164488275.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 284787 + ... + 285363.

Almost surely, 2^164488275 is an apocalyptic number.

164488275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164488275 is an abundant number, since it is smaller than the sum of its proper divisors (174663629).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164488275 is a wasteful number, since it uses less digits than its factorization.

164488275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 773 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 164488275 is about 12825.2982421463. The cubic root of 164488275 is about 547.9130554073.

The spelling of 164488275 in words is "one hundred sixty-four million, four hundred eighty-eight thousand, two hundred seventy-five".