665160253 has 8 divisors (see below), whose sum is σ = 694857600. Its totient is φ = 635527728.

The previous prime is 665160247. The next prime is 665160259. The reversal of 665160253 is 352061566.

It is an interprime number because it is at equal distance from previous prime (665160247) and next prime (665160259).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665160253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665160259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403 + ... + 36871.

It is an arithmetic number, because the mean of its divisors is an integer number (86857200).

Almost surely, 2^665160253 is an apocalyptic number.

It is an amenable number.

665160253 is a deficient number, since it is larger than the sum of its proper divisors (29697347).

665160253 is a wasteful number, since it uses less digits than its factorization.

665160253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32411.

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

The square root of 665160253 is about 25790.7009016816. The cubic root of 665160253 is about 872.9219817376.

The spelling of 665160253 in words is "six hundred sixty-five million, one hundred sixty thousand, two hundred fifty-three".