328585634261 has 8 divisors (see below), whose sum is σ = 328811140800. Its totient is φ = 328360197088.

The previous prime is 328585634239. The next prime is 328585634287. The reversal of 328585634261 is 162436585823.

It is a happy number.

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 328585634261 - 2²² = 328581439957 is a prime.

It is a super-2 number, since 2×328585634261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328585654261) 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, 12293690 + ... + 12320388.

It is an arithmetic number, because the mean of its divisors is an integer number (41101392600).

Almost surely, 2^328585634261 is an apocalyptic number.

It is an amenable number.

328585634261 is a deficient number, since it is larger than the sum of its proper divisors (225506539).

328585634261 is a wasteful number, since it uses less digits than its factorization.

328585634261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683.

The product of its digits is 8294400, while the sum is 53.

The spelling of 328585634261 in words is "three hundred twenty-eight billion, five hundred eighty-five million, six hundred thirty-four thousand, two hundred sixty-one".