83162569648321 has 8 divisors (see below), whose sum is σ = 83711336354280. Its totient is φ = 82614585220992.

The previous prime is 83162569648313. The next prime is 83162569648387. The reversal of 83162569648321 is 12384696526138.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54109779724225 + 29052789924096 = 7355935^2 + 5390064^2 .

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 83162569648321 - 2³ = 83162569648313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83162569648121) 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, 195356340 + ... + 195781573.

It is an arithmetic number, because the mean of its divisors is an integer number (10463917044285).

Almost surely, 2^{83162569648321} is an apocalyptic number.

It is an amenable number.

83162569648321 is a deficient number, since it is larger than the sum of its proper divisors (548766705959).

83162569648321 is a wasteful number, since it uses less digits than its factorization.

83162569648321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391139315.

The product of its digits is 89579520, while the sum is 64.

The spelling of 83162569648321 in words is "eighty-three trillion, one hundred sixty-two billion, five hundred sixty-nine million, six hundred forty-eight thousand, three hundred twenty-one".