64165424063 has 16 divisors (see below), whose sum is σ = 70807943136. Its totient is φ = 57767592960.

The previous prime is 64165424051. The next prime is 64165424101. The reversal of 64165424063 is 36042456146.

It is a cyclic number.

It is not a de Polignac number, because 64165424063 - 2⁴ = 64165424047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64165424063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64165424263) 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 15 ways as a sum of consecutive naturals, for example, 1954220 + ... + 1986782.

It is an arithmetic number, because the mean of its divisors is an integer number (4425496446).

Almost surely, 2^64165424063 is an apocalyptic number.

64165424063 is a deficient number, since it is larger than the sum of its proper divisors (6642519073).

64165424063 is a wasteful number, since it uses less digits than its factorization.

64165424063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36314.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 64165424063 in words is "sixty-four billion, one hundred sixty-five million, four hundred twenty-four thousand, sixty-three".