8360220638 has 16 divisors (see below), whose sum is σ = 15634698624. Its totient is φ = 3257228760.

The previous prime is 8360220637. The next prime is 8360220703.

It is a happy number.

8360220638 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8360220638² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8360220637) 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, 27143420 + ... + 27143727.

It is an arithmetic number, because the mean of its divisors is an integer number (977168664).

Almost surely, 2^8360220638 is an apocalyptic number.

8360220638 is a deficient number, since it is larger than the sum of its proper divisors (7274477986).

8360220638 is a wasteful number, since it uses less digits than its factorization.

8360220638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54287167.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 8360220638 is about 91434.2421524890. The cubic root of 8360220638 is about 2029.5787778995.

The spelling of 8360220638 in words is "eight billion, three hundred sixty million, two hundred twenty thousand, six hundred thirty-eight".