65136663654 has 8 divisors (see below), whose sum is σ = 130273327320. Its totient is φ = 21712221216.

The previous prime is 65136663623. The next prime is 65136663661. The reversal of 65136663654 is 45636663156.

It is a sphenic number, since it is the product of 3 distinct primes.

65136663654 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 65136663597 and 65136663606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5428055299 + ... + 5428055310.

It is an arithmetic number, because the mean of its divisors is an integer number (16284165915).

Almost surely, 2^65136663654 is an apocalyptic number.

65136663654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65136663654 is a wasteful number, since it uses less digits than its factorization.

65136663654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856110614.

The product of its digits is 6998400, while the sum is 51.

The spelling of 65136663654 in words is "sixty-five billion, one hundred thirty-six million, six hundred sixty-three thousand, six hundred fifty-four".