65350566336 has 112 divisors (see below), whose sum is σ = 188799459840. Its totient is φ = 19784939520.

The previous prime is 65350566317. The next prime is 65350566349. The reversal of 65350566336 is 63366505356.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370745 + ... + 2398151.

Almost surely, 2^65350566336 is an apocalyptic number.

65350566336 is a gapful number since it is divisible by the number (66) 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 65350566336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94399729920).

65350566336 is an abundant number, since it is smaller than the sum of its proper divisors (123448893504).

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

65350566336 is a wasteful number, since it uses less digits than its factorization.

65350566336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28562 (or 28552 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 48.

The spelling of 65350566336 in words is "sixty-five billion, three hundred fifty million, five hundred sixty-six thousand, three hundred thirty-six".