65845433832 has 32 divisors (see below), whose sum is σ = 164637982080. Its totient is φ = 21945224960.

The previous prime is 65845433809. The next prime is 65845433839. The reversal of 65845433832 is 23833454856.

It is not an unprimeable number, because it can be changed into a prime (65845433839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35169 + ... + 364592.

It is an arithmetic number, because the mean of its divisors is an integer number (5144936940).

Almost surely, 2^65845433832 is an apocalyptic number.

It is an amenable number.

65845433832 is an abundant number, since it is smaller than the sum of its proper divisors (98792548248).

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

65845433832 is a wasteful number, since it uses less digits than its factorization.

65845433832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406633 (or 406629 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 51.

The spelling of 65845433832 in words is "sixty-five billion, eight hundred forty-five million, four hundred thirty-three thousand, eight hundred thirty-two".