8182366538 has 16 divisors (see below), whose sum is σ = 12310600320. Its totient is φ = 4078850256.

The previous prime is 8182366537. The next prime is 8182366573. The reversal of 8182366538 is 8356632818.

It is a super-2 number, since 2×8182366538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8182366531) 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, 1187768 + ... + 1194636.

It is an arithmetic number, because the mean of its divisors is an integer number (769412520).

Almost surely, 2^8182366538 is an apocalyptic number.

8182366538 is a deficient number, since it is larger than the sum of its proper divisors (4128233782).

8182366538 is a wasteful number, since it uses less digits than its factorization.

8182366538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581.

The product of its digits is 1658880, while the sum is 50.

The square root of 8182366538 is about 90456.4344753871. The cubic root of 8182366538 is about 2015.0831744694.

The spelling of 8182366538 in words is "eight billion, one hundred eighty-two million, three hundred sixty-six thousand, five hundred thirty-eight".