6424163620 has 60 divisors (see below), whose sum is σ = 15738382044. Its totient is φ = 2202553920.

The previous prime is 6424163617. The next prime is 6424163653. The reversal of 6424163620 is 263614246.

It can be written as a sum of positive squares in 2 ways, for example, as 4032758016 + 2391405604 = 63504^2 + 48902^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 18871 + ... + 114910.

Almost surely, 2^6424163620 is an apocalyptic number.

It is an amenable number.

6424163620 is an abundant number, since it is smaller than the sum of its proper divisors (9314218424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6424163620 is a wasteful number, since it uses less digits than its factorization.

6424163620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133818 (or 133795 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 6424163620 is about 80150.8803445103. The cubic root of 6424163620 is about 1858.9692153477.

Adding to 6424163620 its reverse (263614246), we get a palindrome (6687777866).

The spelling of 6424163620 in words is "six billion, four hundred twenty-four million, one hundred sixty-three thousand, six hundred twenty".