664424404153 has 8 divisors (see below), whose sum is σ = 671260240872. Its totient is φ = 657617350656.

The previous prime is 664424404151. The next prime is 664424404157. The reversal of 664424404153 is 351404424466.

It can be written as a sum of positive squares in 4 ways, for example, as 198641358864 + 465783045289 = 445692^2 + 682483^2 .

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 664424404153 - 2¹ = 664424404151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664424404151) 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, 7149400 + ... + 7241737.

It is an arithmetic number, because the mean of its divisors is an integer number (83907530109).

Almost surely, 2^664424404153 is an apocalyptic number.

It is an amenable number.

664424404153 is a deficient number, since it is larger than the sum of its proper divisors (6835836719).

664424404153 is a wasteful number, since it uses less digits than its factorization.

664424404153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391611.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 664424404153 in words is "six hundred sixty-four billion, four hundred twenty-four million, four hundred four thousand, one hundred fifty-three".