662552138085 has 16 divisors (see below), whose sum is σ = 1066211074944. Its totient is φ = 351318588992.

The previous prime is 662552138081. The next prime is 662552138089. The reversal of 662552138085 is 580831255266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (662552138081) and next prime (662552138089).

It is a cyclic number.

It is not a de Polignac number, because 662552138085 - 2² = 662552138081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662552138081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127656777 + ... + 127661966.

It is an arithmetic number, because the mean of its divisors is an integer number (66638192184).

Almost surely, 2^662552138085 is an apocalyptic number.

It is an amenable number.

662552138085 is a deficient number, since it is larger than the sum of its proper divisors (403658936859).

662552138085 is a wasteful number, since it uses less digits than its factorization.

662552138085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255318924.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 662552138085 in words is "six hundred sixty-two billion, five hundred fifty-two million, one hundred thirty-eight thousand, eighty-five".