64159106763844 has 27 divisors (see below), whose sum is σ = 112392738718743. Its totient is φ = 32046928904448.

The previous prime is 64159106763811. The next prime is 64159106763883. The reversal of 64159106763844 is 44836760195146.

It is a happy number.

The square root of 64159106763844 is 8009938.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11474736203844 + 52684370560000 = 3387438^2 + 7258400^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 26544933324 + ... + 26544935740.

Almost surely, 2^{64159106763844} is an apocalyptic number.

64159106763844 is the 8009938-th square number.

It is an amenable number.

64159106763844 is a deficient number, since it is larger than the sum of its proper divisors (48233631954899).

64159106763844 is an frugal number, since it uses more digits than its factorization.

64159106763844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152 (or 4076 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 64159106763844 in words is "sixty-four trillion, one hundred fifty-nine billion, one hundred six million, seven hundred sixty-three thousand, eight hundred forty-four".