320233367631657 has 8 divisors (see below), whose sum is σ = 441701196733440. Its totient is φ = 206127225142160.

The previous prime is 320233367631647. The next prime is 320233367631731. The reversal of 320233367631657 is 756136763332023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320233367631657 - 2¹⁵ = 320233367598889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320233367631597 and 320233367631606.

It is not an unprimeable number, because it can be changed into a prime (320233367631607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840421652969 + ... + 1840421653142.

It is an arithmetic number, because the mean of its divisors is an integer number (55212649591680).

Almost surely, 2^{320233367631657} is an apocalyptic number.

It is an amenable number.

320233367631657 is a deficient number, since it is larger than the sum of its proper divisors (121467829101783).

320233367631657 is a wasteful number, since it uses less digits than its factorization.

320233367631657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680843306143.

The product of its (nonzero) digits is 51438240, while the sum is 57.

The spelling of 320233367631657 in words is "three hundred twenty trillion, two hundred thirty-three billion, three hundred sixty-seven million, six hundred thirty-one thousand, six hundred fifty-seven".