64747112163 has 16 divisors (see below), whose sum is σ = 86888282880. Its totient is φ = 42886125216.

The previous prime is 64747112119. The next prime is 64747112167. The reversal of 64747112163 is 36121174746.

It is not a de Polignac number, because 64747112163 - 2¹² = 64747108067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64747112167) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 234033 + ... + 429261.

It is an arithmetic number, because the mean of its divisors is an integer number (5430517680).

Almost surely, 2^64747112163 is an apocalyptic number.

64747112163 is a deficient number, since it is larger than the sum of its proper divisors (22141170717).

64747112163 is a wasteful number, since it uses less digits than its factorization.

64747112163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195946.

The product of its digits is 169344, while the sum is 42.

The spelling of 64747112163 in words is "sixty-four billion, seven hundred forty-seven million, one hundred twelve thousand, one hundred sixty-three".