65163432960 has 352 divisors, whose sum is σ = 232465835520. Its totient is φ = 17310449664.

The previous prime is 65163432959. The next prime is 65163433009. The reversal of 65163432960 is 6923436156.

65163432960 is a `hidden beast` number, since 6 + 5 + 1 + 634 + 3 + 2 + 9 + 6 + 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 31 ways as a sum of consecutive naturals, for example, 43821337 + ... + 43822823.

Almost surely, 2^65163432960 is an apocalyptic number.

65163432960 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 65163432960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116232917760).

65163432960 is an abundant number, since it is smaller than the sum of its proper divisors (167302402560).

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

65163432960 is a wasteful number, since it uses less digits than its factorization.

65163432960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 65163432960 in words is "sixty-five billion, one hundred sixty-three million, four hundred thirty-two thousand, nine hundred sixty".