6361620163 has 12 divisors (see below), whose sum is σ = 6659646280. Its totient is φ = 6076420416.

The previous prime is 6361620127. The next prime is 6361620193. The reversal of 6361620163 is 3610261636.

It is not a de Polignac number, because 6361620163 - 2²¹ = 6359523011 is a prime.

It is a super-2 number, since 2×6361620163² = 80940422196576293138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6361620103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382795 + ... + 399067.

Almost surely, 2^6361620163 is an apocalyptic number.

6361620163 is a deficient number, since it is larger than the sum of its proper divisors (298026117).

6361620163 is a wasteful number, since it uses less digits than its factorization.

6361620163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058 (or 17035 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 6361620163 is about 79759.7653143488. The cubic root of 6361620163 is about 1852.9167685751.

Adding to 6361620163 its reverse (3610261636), we get a palindrome (9971881799).

The spelling of 6361620163 in words is "six billion, three hundred sixty-one million, six hundred twenty thousand, one hundred sixty-three".