65331828738 has 96 divisors (see below), whose sum is σ = 162642504960. Its totient is φ = 18744657120.

The previous prime is 65331828623. The next prime is 65331828763. The reversal of 65331828738 is 83782813356.

65331828738 is a `hidden beast` number, since 6 + 533 + 18 + 28 + 73 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8283745 + ... + 8291627.

It is an arithmetic number, because the mean of its divisors is an integer number (1694192760).

Almost surely, 2^65331828738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65331828738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81321252480).

65331828738 is an abundant number, since it is smaller than the sum of its proper divisors (97310676222).

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

65331828738 is a wasteful number, since it uses less digits than its factorization.

65331828738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124 (or 10121 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 65331828738 in words is "sixty-five billion, three hundred thirty-one million, eight hundred twenty-eight thousand, seven hundred thirty-eight".