65841432164 has 6 divisors (see below), whose sum is σ = 115222506294. Its totient is φ = 32920716080.

The previous prime is 65841432121. The next prime is 65841432211. The reversal of 65841432164 is 46123414856.

It can be written as a sum of positive squares in only one way, i.e., 50064062500 + 15777369664 = 223750^2 + 125608^2 .

It is a super-2 number, since 2×65841432164² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8230179017 + ... + 8230179024.

It is an arithmetic number, because the mean of its divisors is an integer number (19203751049).

Almost surely, 2^65841432164 is an apocalyptic number.

It is an amenable number.

65841432164 is a deficient number, since it is larger than the sum of its proper divisors (49381074130).

65841432164 is a wasteful number, since it uses less digits than its factorization.

65841432164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460358045 (or 16460358043 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 65841432164 in words is "sixty-five billion, eight hundred forty-one million, four hundred thirty-two thousand, one hundred sixty-four".