662666052 has 48 divisors (see below), whose sum is σ = 1664953920. Its totient is φ = 204367872.

The previous prime is 662666051. The next prime is 662666057. The reversal of 662666052 is 250666266.

It is a self number, because there is not a number n which added to its sum of digits gives 662666052.

It is not an unprimeable number, because it can be changed into a prime (662666051) 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, 15493 + ... + 39564.

It is an arithmetic number, because the mean of its divisors is an integer number (34686540).

Almost surely, 2^662666052 is an apocalyptic number.

It is an amenable number.

662666052 is an abundant number, since it is smaller than the sum of its proper divisors (1002287868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662666052 is a wasteful number, since it uses less digits than its factorization.

662666052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55140 (or 55138 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 662666052 is about 25742.3008295684. The cubic root of 662666052 is about 871.8295282306.

The spelling of 662666052 in words is "six hundred sixty-two million, six hundred sixty-six thousand, fifty-two".