662562012 has 96 divisors (see below), whose sum is σ = 1952197632. Its totient is φ = 170413056.

The previous prime is 662561983. The next prime is 662562031. The reversal of 662562012 is 210265266.

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 31 ways as a sum of consecutive naturals, for example, 22758 + ... + 42930.

It is an arithmetic number, because the mean of its divisors is an integer number (20335392).

Almost surely, 2^662562012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662562012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976098816).

662562012 is an abundant number, since it is smaller than the sum of its proper divisors (1289635620).

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

662562012 is a wasteful number, since it uses less digits than its factorization.

662562012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227 (or 20225 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 662562012 is about 25740.2799518576. The cubic root of 662562012 is about 871.7838994702.

The spelling of 662562012 in words is "six hundred sixty-two million, five hundred sixty-two thousand, twelve".