664153 has 8 divisors (see below), whose sum is σ = 769280. Its totient is φ = 561600.

The previous prime is 664151. The next prime is 664177. The reversal of 664153 is 351466.

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 664153 - 2¹ = 664151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664151) 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, 48 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (96160).

2⁶⁶⁴¹⁵³ is an apocalyptic number.

It is an amenable number.

664153 is a deficient number, since it is larger than the sum of its proper divisors (105127).

664153 is a wasteful number, since it uses less digits than its factorization.

664153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its digits is 2160, while the sum is 25.

The square root of 664153 is about 814.9558270238. The cubic root of 664153 is about 87.2481136857.

Subtracting from 664153 its sum of digits (25), we obtain a triangular number (664128 = T₁₁₅₂).

The spelling of 664153 in words is "six hundred sixty-four thousand, one hundred fifty-three".