18156562482 has 16 divisors (see below), whose sum is σ = 36810565920. Its totient is φ = 5969280672.

The previous prime is 18156562451. The next prime is 18156562483. The reversal of 18156562482 is 28426565181.

It is a super-2 number, since 2×18156562482² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18156562483) 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, 20726232 + ... + 20727107.

It is an arithmetic number, because the mean of its divisors is an integer number (2300660370).

Almost surely, 2^18156562482 is an apocalyptic number.

18156562482 is an abundant number, since it is smaller than the sum of its proper divisors (18654003438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18156562482 is a wasteful number, since it uses less digits than its factorization.

18156562482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41453417.

The product of its digits is 921600, while the sum is 48.

The spelling of 18156562482 in words is "eighteen billion, one hundred fifty-six million, five hundred sixty-two thousand, four hundred eighty-two".