662031066125 has 48 divisors (see below), whose sum is σ = 978011671728. Its totient is φ = 444440304000.

The previous prime is 662031066121. The next prime is 662031066143. The reversal of 662031066125 is 521660130266.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 390471265129 + 271559800996 = 624877^2 + 521114^2 .

It is not a de Polignac number, because 662031066125 - 2² = 662031066121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662031066121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1486862 + ... + 1880111.

It is an arithmetic number, because the mean of its divisors is an integer number (20375243161).

Almost surely, 2^662031066125 is an apocalyptic number.

662031066125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

662031066125 is a deficient number, since it is larger than the sum of its proper divisors (315980605603).

662031066125 is a wasteful number, since it uses less digits than its factorization.

662031066125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367023 (or 3367002 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 662031066125 in words is "six hundred sixty-two billion, thirty-one million, sixty-six thousand, one hundred twenty-five".