664610352351 has 32 divisors (see below), whose sum is σ = 1018014535680. Its totient is φ = 381433471200.

The previous prime is 664610352283. The next prime is 664610352383. The reversal of 664610352351 is 153253016466.

It is not a de Polignac number, because 664610352351 - 2¹¹ = 664610350303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664610352551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1271736 + ... + 1716546.

It is an arithmetic number, because the mean of its divisors is an integer number (31812954240).

Almost surely, 2^664610352351 is an apocalyptic number.

664610352351 is a deficient number, since it is larger than the sum of its proper divisors (353404183329).

664610352351 is a wasteful number, since it uses less digits than its factorization.

664610352351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447227.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 664610352351 in words is "six hundred sixty-four billion, six hundred ten million, three hundred fifty-two thousand, three hundred fifty-one".