6361216 has 16 divisors (see below), whose sum is σ = 12672990. Its totient is φ = 3180544.

The previous prime is 6361207. The next prime is 6361217. The reversal of 6361216 is 6121636.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 10816 = 2520^2 + 104^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6361217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24721 + ... + 24976.

Almost surely, 2^6361216 is an apocalyptic number.

It is an amenable number.

6361216 is a deficient number, since it is larger than the sum of its proper divisors (6311774).

6361216 is an equidigital number, since it uses as much as digits as its factorization.

6361216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49711 (or 49699 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 6361216 is about 2522.1451187432. The cubic root of 6361216 is about 185.2877528243.

The spelling of 6361216 in words is "six million, three hundred sixty-one thousand, two hundred sixteen".