64363163 has 4 divisors (see below), whose sum is σ = 65732640. Its totient is φ = 62993688.

The previous prime is 64363121. The next prime is 64363171. The reversal of 64363163 is 36136346.

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 64363163 - 2¹⁸ = 64101019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64363193) 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, 684668 + ... + 684761.

It is an arithmetic number, because the mean of its divisors is an integer number (16433160).

Almost surely, 2^64363163 is an apocalyptic number.

64363163 is a deficient number, since it is larger than the sum of its proper divisors (1369477).

64363163 is a wasteful number, since it uses less digits than its factorization.

64363163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369476.

The product of its digits is 23328, while the sum is 32.

The square root of 64363163 is about 8022.6655794692. The cubic root of 64363163 is about 400.7551630082.

The spelling of 64363163 in words is "sixty-four million, three hundred sixty-three thousand, one hundred sixty-three".