662851311855 has 32 divisors (see below), whose sum is σ = 1062828043200. Its totient is φ = 352766164992.

The previous prime is 662851311853. The next prime is 662851311893. The reversal of 662851311855 is 558113158266.

It is a happy number.

It is not a de Polignac number, because 662851311855 - 2¹ = 662851311853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662851311798 and 662851311807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662851311853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14153137 + ... + 14199893.

It is an arithmetic number, because the mean of its divisors is an integer number (33213376350).

Almost surely, 2^662851311855 is an apocalyptic number.

662851311855 is a deficient number, since it is larger than the sum of its proper divisors (399976731345).

662851311855 is a wasteful number, since it uses less digits than its factorization.

662851311855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48763.

The product of its digits is 1728000, while the sum is 51.

The spelling of 662851311855 in words is "six hundred sixty-two billion, eight hundred fifty-one million, three hundred eleven thousand, eight hundred fifty-five".