1001812662 has 24 divisors (see below), whose sum is σ = 2171586456. Its totient is φ = 333784896.

The previous prime is 1001812621. The next prime is 1001812673. The reversal of 1001812662 is 2662181001.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 31993 + ... + 55019.

It is an arithmetic number, because the mean of its divisors is an integer number (90482769).

Almost surely, 2^1001812662 is an apocalyptic number.

1001812662 is an abundant number, since it is smaller than the sum of its proper divisors (1169773794).

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

1001812662 is a wasteful number, since it uses less digits than its factorization.

1001812662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25452 (or 25449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1001812662 is about 31651.4243281404. The cubic root of 1001812662 is about 1000.6038559513.

Adding to 1001812662 its reverse (2662181001), we get a palindrome (3663993663).

The spelling of 1001812662 in words is "one billion, one million, eight hundred twelve thousand, six hundred sixty-two".