160665253 has 4 divisors (see below), whose sum is σ = 183617440. Its totient is φ = 137713068.

The previous prime is 160665247. The next prime is 160665257. The reversal of 160665253 is 352566061.

160665253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160665253 - 2¹³ = 160657061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160665257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11476083 + ... + 11476096.

It is an arithmetic number, because the mean of its divisors is an integer number (45904360).

Almost surely, 2^160665253 is an apocalyptic number.

It is an amenable number.

160665253 is a deficient number, since it is larger than the sum of its proper divisors (22952187).

160665253 is an equidigital number, since it uses as much as digits as its factorization.

160665253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952186.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 160665253 is about 12675.3797970712. The cubic root of 160665253 is about 543.6348889548.

The spelling of 160665253 in words is "one hundred sixty million, six hundred sixty-five thousand, two hundred fifty-three".