8160638 has 8 divisors (see below), whose sum is σ = 12253080. Its totient is φ = 4076280.

The previous prime is 8160637. The next prime is 8160673. The reversal of 8160638 is 8360618.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1531635).

Almost surely, 2^8160638 is an apocalyptic number.

8160638 is a deficient number, since it is larger than the sum of its proper divisors (4092442).

8160638 is a wasteful number, since it uses less digits than its factorization.

8160638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8160638 is about 2856.6830415711. The cubic root of 8160638 is about 201.3297887139.

The spelling of 8160638 in words is "eight million, one hundred sixty thousand, six hundred thirty-eight".