662081872322 has 8 divisors (see below), whose sum is σ = 1069516870716. Its totient is φ = 305576248752.

The previous prime is 662081872271. The next prime is 662081872373. The reversal of 662081872322 is 223278180266.

It is an interprime number because it is at equal distance from previous prime (662081872271) and next prime (662081872373).

It can be written as a sum of positive squares in 2 ways, for example, as 655644858961 + 6437013361 = 809719^2 + 80231^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12732343673 + ... + 12732343724.

Almost surely, 2^662081872322 is an apocalyptic number.

662081872322 is a deficient number, since it is larger than the sum of its proper divisors (407434998394).

662081872322 is a wasteful number, since it uses less digits than its factorization.

662081872322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25464687412.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 662081872322 in words is "six hundred sixty-two billion, eighty-one million, eight hundred seventy-two thousand, three hundred twenty-two".