65368541808 has 40 divisors (see below), whose sum is σ = 187631926800. Its totient is φ = 21789513792.

The previous prime is 65368541783. The next prime is 65368541827. The reversal of 65368541808 is 80814586356.

65368541808 is a `hidden beast` number, since 65 + 36 + 8 + 541 + 8 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75657603 + ... + 75658466.

It is an arithmetic number, because the mean of its divisors is an integer number (4690798170).

Almost surely, 2^65368541808 is an apocalyptic number.

It is an amenable number.

65368541808 is an abundant number, since it is smaller than the sum of its proper divisors (122263384992).

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

65368541808 is a wasteful number, since it uses less digits than its factorization.

65368541808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151316086 (or 151316074 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 65368541808 in words is "sixty-five billion, three hundred sixty-eight million, five hundred forty-one thousand, eight hundred eight".