664615413003 has 16 divisors (see below), whose sum is σ = 901501920000. Its totient is φ = 435408398880.

The previous prime is 664615412983. The next prime is 664615413013. The reversal of 664615413003 is 300314516466.

664615413003 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 664615413003 - 2²⁵ = 664581858571 is a prime.

It is a super-2 number, since 2×664615413003² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (664615413013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196383 + ... + 1169528.

It is an arithmetic number, because the mean of its divisors is an integer number (56343870000).

Almost surely, 2^664615413003 is an apocalyptic number.

664615413003 is a deficient number, since it is larger than the sum of its proper divisors (236886506997).

664615413003 is a wasteful number, since it uses less digits than its factorization.

664615413003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368722.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 664615413003 its reverse (300314516466), we get a palindrome (964929929469).

The spelling of 664615413003 in words is "six hundred sixty-four billion, six hundred fifteen million, four hundred thirteen thousand, three".