64653421916159 has 8 divisors (see below), whose sum is σ = 65966684247408. Its totient is φ = 63353358201600.

The previous prime is 64653421916131. The next prime is 64653421916179. The reversal of 64653421916159 is 95161912435646.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64653421916159 - 2⁸ = 64653421915903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64653421916179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3299644277 + ... + 3299663870.

It is an arithmetic number, because the mean of its divisors is an integer number (8245835530926).

Almost surely, 2^{64653421916159} is an apocalyptic number.

64653421916159 is a deficient number, since it is larger than the sum of its proper divisors (1313262331249).

64653421916159 is a wasteful number, since it uses less digits than its factorization.

64653421916159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599308345.

The product of its digits is 41990400, while the sum is 62.

The spelling of 64653421916159 in words is "sixty-four trillion, six hundred fifty-three billion, four hundred twenty-one million, nine hundred sixteen thousand, one hundred fifty-nine".