320834705961 has 32 divisors (see below), whose sum is σ = 536315212800. Its totient is φ = 165736255680.

The previous prime is 320834705959. The next prime is 320834705999. The reversal of 320834705961 is 169507438023.

It is not a de Polignac number, because 320834705961 - 2¹ = 320834705959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320834705961.

It is not an unprimeable number, because it can be changed into a prime (320834705941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3838246 + ... + 3920943.

It is an arithmetic number, because the mean of its divisors is an integer number (16759850400).

It is a 1-persistent number, because it is pandigital, but 2⋅320834705961 = 641669411922 is not.

Almost surely, 2^320834705961 is an apocalyptic number.

It is an amenable number.

320834705961 is a deficient number, since it is larger than the sum of its proper divisors (215480506839).

320834705961 is a wasteful number, since it uses less digits than its factorization.

320834705961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759389.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 320834705961 in words is "three hundred twenty billion, eight hundred thirty-four million, seven hundred five thousand, nine hundred sixty-one".