662734527128 has 16 divisors (see below), whose sum is σ = 1243030866000. Its totient is φ = 331259629536.

The previous prime is 662734527097. The next prime is 662734527131. The reversal of 662734527128 is 821725437266.

It is a self number, because there is not a number n which added to its sum of digits gives 662734527128.

It is a congruent number.

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, 13428083 + ... + 13477346.

It is an arithmetic number, because the mean of its divisors is an integer number (77689429125).

Almost surely, 2^662734527128 is an apocalyptic number.

It is an amenable number.

662734527128 is a deficient number, since it is larger than the sum of its proper divisors (580296338872).

662734527128 is a wasteful number, since it uses less digits than its factorization.

662734527128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908514 (or 26908510 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The spelling of 662734527128 in words is "six hundred sixty-two billion, seven hundred thirty-four million, five hundred twenty-seven thousand, one hundred twenty-eight".