662120436 has 48 divisors (see below), whose sum is σ = 1631568960. Its totient is φ = 208408320.

The previous prime is 662120429. The next prime is 662120441. The reversal of 662120436 is 634021266.

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 15 ways as a sum of consecutive naturals, for example, 67696 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (33991020).

Almost surely, 2^662120436 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 662120436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815784480).

662120436 is an abundant number, since it is smaller than the sum of its proper divisors (969448524).

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

662120436 is a wasteful number, since it uses less digits than its factorization.

662120436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504 (or 9502 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 662120436 is about 25731.7009931330. The cubic root of 662120436 is about 871.5901845712.

The spelling of 662120436 in words is "six hundred sixty-two million, one hundred twenty thousand, four hundred thirty-six".