65041966080 has 528 divisors, whose sum is σ = 277394767104. Its totient is φ = 13722255360.

The previous prime is 65041966063. The next prime is 65041966091. The reversal of 65041966080 is 8066914056.

65041966080 is a `hidden beast` number, since 6 + 504 + 1 + 9 + 6 + 60 + 80 = 666.

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 47 ways as a sum of consecutive naturals, for example, 4185525 + ... + 4201035.

Almost surely, 2^65041966080 is an apocalyptic number.

65041966080 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 65041966080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138697383552).

65041966080 is an abundant number, since it is smaller than the sum of its proper divisors (212352801024).

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

65041966080 is a wasteful number, since it uses less digits than its factorization.

65041966080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15562 (or 15541 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 65041966080 in words is "sixty-five billion, forty-one million, nine hundred sixty-six thousand, eighty".