664346037347 has 8 divisors (see below), whose sum is σ = 699330286800. Its totient is φ = 629363654784.

The previous prime is 664346037319. The next prime is 664346037353. The reversal of 664346037347 is 743730643466.

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 664346037347 - 2¹⁶ = 664345971811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664346037317) 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, 295679 + ... + 1190007.

It is an arithmetic number, because the mean of its divisors is an integer number (87416285850).

Almost surely, 2^664346037347 is an apocalyptic number.

664346037347 is a deficient number, since it is larger than the sum of its proper divisors (34984249453).

664346037347 is a wasteful number, since it uses less digits than its factorization.

664346037347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933445.

The product of its (nonzero) digits is 18289152, while the sum is 53.

The spelling of 664346037347 in words is "six hundred sixty-four billion, three hundred forty-six million, thirty-seven thousand, three hundred forty-seven".