65939328000 has 2112 divisors, whose sum is σ = 318024016128. Its totient is φ = 12740198400.

The previous prime is 65939327981. The next prime is 65939328023. The reversal of 65939328000 is 82393956.

It is a super-3 number, since 3×65939328000³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1782143982 + ... + 1782144018.

Almost surely, 2^65939328000 is an apocalyptic number.

65939328000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65939328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159012008064).

65939328000 is an abundant number, since it is smaller than the sum of its proper divisors (252084688128).

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

65939328000 is a wasteful number, since it uses less digits than its factorization.

65939328000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 65939328000 in words is "sixty-five billion, nine hundred thirty-nine million, three hundred twenty-eight thousand".