65406116 has 12 divisors (see below), whose sum is σ = 114517788. Its totient is φ = 32686752.

The previous prime is 65406109. The next prime is 65406119. The reversal of 65406116 is 61160456.

It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 59136100 = 2504^2 + 7690^2 .

It is not an unprimeable number, because it can be changed into a prime (65406119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11930 + ... + 16526.

It is an arithmetic number, because the mean of its divisors is an integer number (9543149).

Almost surely, 2^65406116 is an apocalyptic number.

It is an amenable number.

65406116 is a deficient number, since it is larger than the sum of its proper divisors (49111672).

65406116 is a wasteful number, since it uses less digits than its factorization.

65406116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158 (or 8156 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 65406116 is about 8087.4047753281. The cubic root of 65406116 is about 402.9082128353.

The spelling of 65406116 in words is "sixty-five million, four hundred six thousand, one hundred sixteen".