65189376000 has 1248 divisors, whose sum is σ = 280665335808. Its totient is φ = 14244249600.

The previous prime is 65189375983. The next prime is 65189376001. The reversal of 65189376000 is 67398156.

It is a happy number.

65189376000 is a `hidden beast` number, since 6 + 5 + 1 + 8 + 9 + 37 + 600 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65189376001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1387007977 + ... + 1387008023.

It is an arithmetic number, because the mean of its divisors is an integer number (224892096).

Almost surely, 2^65189376000 is an apocalyptic number.

65189376000 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 65189376000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140332667904).

65189376000 is an abundant number, since it is smaller than the sum of its proper divisors (215475959808).

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

65189376000 is a wasteful number, since it uses less digits than its factorization.

65189376000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 65189376000 in words is "sixty-five billion, one hundred eighty-nine million, three hundred seventy-six thousand".