662816746 has 8 divisors (see below), whose sum is σ = 996179940. Its totient is φ = 330756768.

The previous prime is 662816717. The next prime is 662816747. The reversal of 662816746 is 647618266.

It can be written as a sum of positive squares in 2 ways, for example, as 648262521 + 14554225 = 25461^2 + 3815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 662816696 and 662816705.

It is not an unprimeable number, because it can be changed into a prime (662816747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324531 + ... + 326566.

Almost surely, 2^662816746 is an apocalyptic number.

662816746 is a deficient number, since it is larger than the sum of its proper divisors (333363194).

662816746 is a wasteful number, since it uses less digits than its factorization.

662816746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651608.

The product of its digits is 580608, while the sum is 46.

The square root of 662816746 is about 25745.2276354279. The cubic root of 662816746 is about 871.8956095401.

The spelling of 662816746 in words is "six hundred sixty-two million, eight hundred sixteen thousand, seven hundred forty-six".