65089552320 has 784 divisors, whose sum is σ = 253724298240. Its totient is φ = 15895885824.

The previous prime is 65089552291. The next prime is 65089552331. The reversal of 65089552320 is 2325598056.

65089552320 is a `hidden beast` number, since 6 + 508 + 95 + 52 + 3 + 2 + 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 an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 512516097 + ... + 512516223.

Almost surely, 2^65089552320 is an apocalyptic number.

65089552320 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 65089552320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126862149120).

65089552320 is an abundant number, since it is smaller than the sum of its proper divisors (188634745920).

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

65089552320 is an equidigital number, since it uses as much as digits as its factorization.

65089552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 65089552320 in words is "sixty-five billion, eighty-nine million, five hundred fifty-two thousand, three hundred twenty".