64424161143 has 12 divisors (see below), whose sum is σ = 93544334208. Its totient is φ = 42724573440.

The previous prime is 64424161111. The next prime is 64424161159. The reversal of 64424161143 is 34116142446.

64424161143 is a `hidden beast` number, since 64 + 42 + 416 + 1 + 143 = 666.

It is not a de Polignac number, because 64424161143 - 2⁵ = 64424161111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64424161098 and 64424161107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64424169143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18737130 + ... + 18740567.

It is an arithmetic number, because the mean of its divisors is an integer number (7795361184).

Almost surely, 2^64424161143 is an apocalyptic number.

64424161143 is a deficient number, since it is larger than the sum of its proper divisors (29120173065).

64424161143 is a wasteful number, since it uses less digits than its factorization.

64424161143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37477894 (or 37477891 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 64424161143 in words is "sixty-four billion, four hundred twenty-four million, one hundred sixty-one thousand, one hundred forty-three".