662040108369 has 12 divisors (see below), whose sum is σ = 957309533700. Its totient is φ = 440884975104.

The previous prime is 662040108343. The next prime is 662040108371. The reversal of 662040108369 is 963801040266.

662040108369 is a `hidden beast` number, since 6 + 620 + 4 + 0 + 10 + 8 + 3 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 245322090000 + 416718018369 = 495300^2 + 645537^2 .

It is not a de Polignac number, because 662040108369 - 2⁸ = 662040108113 is a prime.

It is a super-2 number, since 2×662040108369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (662040108329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39582604 + ... + 39599325.

It is an arithmetic number, because the mean of its divisors is an integer number (79775794475).

Almost surely, 2^662040108369 is an apocalyptic number.

It is an amenable number.

662040108369 is a deficient number, since it is larger than the sum of its proper divisors (295269425331).

662040108369 is a wasteful number, since it uses less digits than its factorization.

662040108369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79182864 (or 79182861 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 662040108369 in words is "six hundred sixty-two billion, forty million, one hundred eight thousand, three hundred sixty-nine".