662144353 has 8 divisors (see below), whose sum is σ = 713617128. Its totient is φ = 610748544.

The previous prime is 662144323. The next prime is 662144377. The reversal of 662144353 is 353441266.

It can be written as a sum of positive squares in 4 ways, for example, as 89643024 + 572501329 = 9468^2 + 23927^2 .

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 662144353 - 2⁵ = 662144321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662144323) 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, 700 + ... + 36397.

It is an arithmetic number, because the mean of its divisors is an integer number (89202141).

Almost surely, 2^662144353 is an apocalyptic number.

It is an amenable number.

662144353 is a deficient number, since it is larger than the sum of its proper divisors (51472775).

662144353 is a wasteful number, since it uses less digits than its factorization.

662144353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38483.

The product of its digits is 51840, while the sum is 34.

The square root of 662144353 is about 25732.1657269652. The cubic root of 662144353 is about 871.6006789216.

The spelling of 662144353 in words is "six hundred sixty-two million, one hundred forty-four thousand, three hundred fifty-three".