64313163 has 8 divisors (see below), whose sum is σ = 95278800. Its totient is φ = 42875424.

The previous prime is 64313113. The next prime is 64313167. The reversal of 64313163 is 36131346.

64313163 is a `hidden beast` number, since 643 + 1 + 3 + 16 + 3 = 666.

It is not a de Polignac number, because 64313163 - 2²⁰ = 63264587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2381969 = 64313163 / (6 + 4 + 3 + 1 + 3 + 1 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (64313167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190958 + ... + 1191011.

It is an arithmetic number, because the mean of its divisors is an integer number (11909850).

Almost surely, 2^64313163 is an apocalyptic number.

64313163 is a deficient number, since it is larger than the sum of its proper divisors (30965637).

64313163 is a wasteful number, since it uses less digits than its factorization.

64313163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381978 (or 2381972 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 64313163 is about 8019.5488027694. The cubic root of 64313163 is about 400.6513616609.

The spelling of 64313163 in words is "sixty-four million, three hundred thirteen thousand, one hundred sixty-three".