320107656525 has 48 divisors (see below), whose sum is σ = 530236538880. Its totient is φ = 170404516800.

The previous prime is 320107656523. The next prime is 320107656527. The reversal of 320107656525 is 525656701023.

It is an interprime number because it is at equal distance from previous prime (320107656523) and next prime (320107656527).

It is not a de Polignac number, because 320107656525 - 2¹ = 320107656523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320107656523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156991456 + ... + 156993494.

It is an arithmetic number, because the mean of its divisors is an integer number (11046594560).

Almost surely, 2^320107656525 is an apocalyptic number.

It is an amenable number.

320107656525 is a deficient number, since it is larger than the sum of its proper divisors (210128882355).

320107656525 is a wasteful number, since it uses less digits than its factorization.

320107656525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 320107656525 in words is "three hundred twenty billion, one hundred seven million, six hundred fifty-six thousand, five hundred twenty-five".