328330256567257 has 16 divisors (see below), whose sum is σ = 382382277361920. Its totient is φ = 276067043733312.

The previous prime is 328330256567249. The next prime is 328330256567267. The reversal of 328330256567257 is 752765652033823.

It is a cyclic number.

It is not a de Polignac number, because 328330256567257 - 2³ = 328330256567249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328330256567207) 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, 76378158 + ... + 80562295.

It is an arithmetic number, because the mean of its divisors is an integer number (23898892335120).

Almost surely, 2^{328330256567257} is an apocalyptic number.

It is an amenable number.

328330256567257 is a deficient number, since it is larger than the sum of its proper divisors (54052020794663).

328330256567257 is a wasteful number, since it uses less digits than its factorization.

328330256567257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156946152.

The product of its (nonzero) digits is 381024000, while the sum is 64.

The spelling of 328330256567257 in words is "three hundred twenty-eight trillion, three hundred thirty billion, two hundred fifty-six million, five hundred sixty-seven thousand, two hundred fifty-seven".