64162789163 has 4 divisors (see below), whose sum is σ = 69995770008. Its totient is φ = 58329808320.

The previous prime is 64162789133. The next prime is 64162789177. The reversal of 64162789163 is 36198726146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64162789163 - 2²² = 64158594859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64162789133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916490406 + ... + 2916490427.

It is an arithmetic number, because the mean of its divisors is an integer number (17498942502).

Almost surely, 2^64162789163 is an apocalyptic number.

64162789163 is a deficient number, since it is larger than the sum of its proper divisors (5832980845).

64162789163 is a wasteful number, since it uses less digits than its factorization.

64162789163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832980844.

The product of its digits is 2612736, while the sum is 53.

The spelling of 64162789163 in words is "sixty-four billion, one hundred sixty-two million, seven hundred eighty-nine thousand, one hundred sixty-three".