664455704725135 has 8 divisors (see below), whose sum is σ = 797421426862896. Its totient is φ = 531514842984960.

The previous prime is 664455704725093. The next prime is 664455704725151. The reversal of 664455704725135 is 531527407554466.

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

It is not a de Polignac number, because 664455704725135 - 2¹¹ = 664455704723087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6215040594 + ... + 6215147503.

It is an arithmetic number, because the mean of its divisors is an integer number (99677678357862).

Almost surely, 2^{664455704725135} is an apocalyptic number.

664455704725135 is a deficient number, since it is larger than the sum of its proper divisors (132965722137761).

664455704725135 is a wasteful number, since it uses less digits than its factorization.

664455704725135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12430198793.

The product of its (nonzero) digits is 423360000, while the sum is 64.

The spelling of 664455704725135 in words is "six hundred sixty-four trillion, four hundred fifty-five billion, seven hundred four million, seven hundred twenty-five thousand, one hundred thirty-five".