320332455211645 has 32 divisors (see below), whose sum is σ = 414287832522240. Its totient is φ = 236886571084800.

The previous prime is 320332455211607. The next prime is 320332455211667. The reversal of 320332455211645 is 546112554233023.

It is a de Polignac number, because none of the positive numbers 2^k-320332455211645 is a prime.

It is a super-2 number, since 2×320332455211645² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320332455211595 and 320332455211604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23738581 + ... + 34701370.

It is an arithmetic number, because the mean of its divisors is an integer number (12946494766320).

Almost surely, 2^{320332455211645} is an apocalyptic number.

It is an amenable number.

320332455211645 is a deficient number, since it is larger than the sum of its proper divisors (93955377310595).

320332455211645 is a wasteful number, since it uses less digits than its factorization.

320332455211645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58441125.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 320332455211645 in words is "three hundred twenty trillion, three hundred thirty-two billion, four hundred fifty-five million, two hundred eleven thousand, six hundred forty-five".