215165153 has 8 divisors (see below), whose sum is σ = 250071360. Its totient is φ = 181301040.

The previous prime is 215165147. The next prime is 215165179. The reversal of 215165153 is 351561512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215165153 - 2¹⁰ = 215164129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215165143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260078 + ... + 260903.

It is an arithmetic number, because the mean of its divisors is an integer number (31258920).

Almost surely, 2^215165153 is an apocalyptic number.

It is an amenable number.

215165153 is a deficient number, since it is larger than the sum of its proper divisors (34906207).

215165153 is an equidigital number, since it uses as much as digits as its factorization.

215165153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521047.

The product of its digits is 4500, while the sum is 29.

The square root of 215165153 is about 14668.5088880908. The cubic root of 215165153 is about 599.2259954762.

The spelling of 215165153 in words is "two hundred fifteen million, one hundred sixty-five thousand, one hundred fifty-three".