65432016 has 160 divisors (see below), whose sum is σ = 206653440. Its totient is φ = 19699200.

The previous prime is 65431981. The next prime is 65432039. The reversal of 65432016 is 61023456.

65432016 is a `hidden beast` number, since 654 + 3 + 2 + 0 + 1 + 6 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 342481 + ... + 342671.

It is an arithmetic number, because the mean of its divisors is an integer number (1291584).

Almost surely, 2^65432016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65432016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103326720).

65432016 is an abundant number, since it is smaller than the sum of its proper divisors (141221424).

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

65432016 is a wasteful number, since it uses less digits than its factorization.

65432016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65432016 is about 8089.0058721700. The cubic root of 65432016 is about 402.9613880133.

The spelling of 65432016 in words is "sixty-five million, four hundred thirty-two thousand, sixteen".