64104431133992 has 32 divisors (see below), whose sum is σ = 122191011194400. Its totient is φ = 31520374641600.

The previous prime is 64104431133991. The next prime is 64104431134087. The reversal of 64104431133992 is 29933113440146.

It is a happy number.

64104431133992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64104431133992.

It is not an unprimeable number, because it can be changed into a prime (64104431133991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10913642 + ... + 15726297.

It is an arithmetic number, because the mean of its divisors is an integer number (3818469099825).

Almost surely, 2^{64104431133992} is an apocalyptic number.

It is an amenable number.

64104431133992 is a deficient number, since it is larger than the sum of its proper divisors (58086580060408).

64104431133992 is a wasteful number, since it uses less digits than its factorization.

64104431133992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26644937 (or 26644933 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 64104431133992 in words is "sixty-four trillion, one hundred four billion, four hundred thirty-one million, one hundred thirty-three thousand, nine hundred ninety-two".