320464646125 has 64 divisors (see below), whose sum is σ = 435337943040. Its totient is φ = 234112032000.

The previous prime is 320464646011. The next prime is 320464646141. The reversal of 320464646125 is 521646464023.

It is a de Polignac number, because none of the positive numbers 2^k-320464646125 is a prime.

It is a super-3 number, since 3×320464646125³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171278940 + ... + 171280810.

It is an arithmetic number, because the mean of its divisors is an integer number (6802155360).

Almost surely, 2^320464646125 is an apocalyptic number.

It is an amenable number.

320464646125 is a deficient number, since it is larger than the sum of its proper divisors (114873296915).

320464646125 is a wasteful number, since it uses less digits than its factorization.

320464646125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 320464646125 in words is "three hundred twenty billion, four hundred sixty-four million, six hundred forty-six thousand, one hundred twenty-five".