662081856363 has 6 divisors (see below), whose sum is σ = 956340459204. Its totient is φ = 441387904236.

The previous prime is 662081856353. The next prime is 662081856377. The reversal of 662081856363 is 363658180266.

It is a happy number.

662081856363 is a `hidden beast` number, since 6 + 6 + 2 + 0 + 8 + 18 + 563 + 63 = 666.

It is not a de Polignac number, because 662081856363 - 2¹⁰ = 662081855339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662081856343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36782325345 + ... + 36782325362.

It is an arithmetic number, because the mean of its divisors is an integer number (159390076534).

Almost surely, 2^662081856363 is an apocalyptic number.

662081856363 is a deficient number, since it is larger than the sum of its proper divisors (294258602841).

662081856363 is a wasteful number, since it uses less digits than its factorization.

662081856363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73564650713 (or 73564650710 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 662081856363 in words is "six hundred sixty-two billion, eighty-one million, eight hundred fifty-six thousand, three hundred sixty-three".