662768727042 has 16 divisors (see below), whose sum is σ = 1325766419712. Its totient is φ = 220884748080.

The previous prime is 662768727029. The next prime is 662768727059. The reversal of 662768727042 is 240727867266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9502593 + ... + 9572084.

It is an arithmetic number, because the mean of its divisors is an integer number (82860401232).

Almost surely, 2^662768727042 is an apocalyptic number.

662768727042 is an abundant number, since it is smaller than the sum of its proper divisors (662997692670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662768727042 is a wasteful number, since it uses less digits than its factorization.

662768727042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080473.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 662768727042 in words is "six hundred sixty-two billion, seven hundred sixty-eight million, seven hundred twenty-seven thousand, forty-two".