662317800442 has 16 divisors (see below), whose sum is σ = 994855808232. Its totient is φ = 330699370240.

The previous prime is 662317800341. The next prime is 662317800467. The reversal of 662317800442 is 244008713266.

It can be written as a sum of positive squares in 4 ways, for example, as 613949035401 + 48368765041 = 783549^2 + 219929^2 .

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, 8174892 + ... + 8255512.

Almost surely, 2^662317800442 is an apocalyptic number.

662317800442 is a deficient number, since it is larger than the sum of its proper divisors (332538007790).

662317800442 is a wasteful number, since it uses less digits than its factorization.

662317800442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86273.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 662317800442 in words is "six hundred sixty-two billion, three hundred seventeen million, eight hundred thousand, four hundred forty-two".