662316340 has 72 divisors (see below), whose sum is σ = 1626119712. Its totient is φ = 225933120.

The previous prime is 662316323. The next prime is 662316341. The reversal of 662316340 is 43613266.

662316340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662316341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205179 + ... + 208381.

It is an arithmetic number, because the mean of its divisors is an integer number (22584996).

Almost surely, 2^662316340 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 662316340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813059856).

662316340 is an abundant number, since it is smaller than the sum of its proper divisors (963803372).

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

662316340 is a wasteful number, since it uses less digits than its factorization.

662316340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 662316340 is about 25735.5073779399. The cubic root of 662316340 is about 871.6761362889.

The spelling of 662316340 in words is "six hundred sixty-two million, three hundred sixteen thousand, three hundred forty".