662676617443 has 4 divisors (see below), whose sum is σ = 665068952080. Its totient is φ = 660284282808.

The previous prime is 662676617419. The next prime is 662676617501. The reversal of 662676617443 is 344716676266.

662676617443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344716676266 = 2 ⋅172358338133.

It is a cyclic number.

It is not a de Polignac number, because 662676617443 - 2¹³ = 662676609251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662676617843) 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, 1196166903 + ... + 1196167456.

It is an arithmetic number, because the mean of its divisors is an integer number (166267238020).

Almost surely, 2^662676617443 is an apocalyptic number.

662676617443 is a deficient number, since it is larger than the sum of its proper divisors (2392334637).

662676617443 is a wasteful number, since it uses less digits than its factorization.

662676617443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392334636.

The product of its digits is 36578304, while the sum is 58.

The spelling of 662676617443 in words is "six hundred sixty-two billion, six hundred seventy-six million, six hundred seventeen thousand, four hundred forty-three".