6361663 has 8 divisors (see below), whose sum is σ = 7931520. Its totient is φ = 4957080.

The previous prime is 6361661. The next prime is 6361679. The reversal of 6361663 is 3661636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6361663 - 2¹ = 6361661 is a prime.

It is a super-2 number, since 2×6361663² = 80941512251138, which contains 22 as substring.

It is a Duffinian number.

6361663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41233 + ... + 41386.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^6361663 is an apocalyptic number.

6361663 is a deficient number, since it is larger than the sum of its proper divisors (1569857).

6361663 is a wasteful number, since it uses less digits than its factorization.

6361663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82637.

The product of its digits is 11664, while the sum is 31.

The square root of 6361663 is about 2522.2337322302. The cubic root of 6361663 is about 185.2920927537.

The spelling of 6361663 in words is "six million, three hundred sixty-one thousand, six hundred sixty-three".