664133403315 has 32 divisors (see below), whose sum is σ = 1075973630976. Its totient is φ = 349774225920.

The previous prime is 664133403313. The next prime is 664133403341. The reversal of 664133403315 is 513304331466.

It is a happy number.

664133403315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 664133403315 - 2¹ = 664133403313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664133403313) 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, 263569 + ... + 1182258.

It is an arithmetic number, because the mean of its divisors is an integer number (33624175968).

Almost surely, 2^664133403315 is an apocalyptic number.

664133403315 is a deficient number, since it is larger than the sum of its proper divisors (411840227661).

664133403315 is a wasteful number, since it uses less digits than its factorization.

664133403315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446219.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 664133403315 in words is "six hundred sixty-four billion, one hundred thirty-three million, four hundred three thousand, three hundred fifteen".