325606600663 has 4 divisors (see below), whose sum is σ = 328963369840. Its totient is φ = 322249831488.

The previous prime is 325606600643. The next prime is 325606600673. The reversal of 325606600663 is 366006606523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366006606523 = 41 ⋅8926990403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325606600663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325606600643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678384443 + ... + 1678384636.

It is an arithmetic number, because the mean of its divisors is an integer number (82240842460).

Almost surely, 2^325606600663 is an apocalyptic number.

325606600663 is a deficient number, since it is larger than the sum of its proper divisors (3356769177).

325606600663 is an equidigital number, since it uses as much as digits as its factorization.

325606600663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356769176.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 325606600663 in words is "three hundred twenty-five billion, six hundred six million, six hundred thousand, six hundred sixty-three".