662381381310 has 128 divisors (see below), whose sum is σ = 1795949438976. Its totient is φ = 154952999040.

The previous prime is 662381381287. The next prime is 662381381317. The reversal of 662381381310 is 13183183266.

It is a super-2 number, since 2×662381381310² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662381381317) 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 63 ways as a sum of consecutive naturals, for example, 896569 + ... + 1458971.

It is an arithmetic number, because the mean of its divisors is an integer number (14030854992).

Almost surely, 2^662381381310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662381381310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897974719488).

662381381310 is an abundant number, since it is smaller than the sum of its proper divisors (1133568057666).

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

662381381310 is a wasteful number, since it uses less digits than its factorization.

662381381310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562550.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 662381381310 in words is "six hundred sixty-two billion, three hundred eighty-one million, three hundred eighty-one thousand, three hundred ten".