18362136147 has 16 divisors (see below), whose sum is σ = 24950079648. Its totient is φ = 12007906560.

The previous prime is 18362136119. The next prime is 18362136157. The reversal of 18362136147 is 74163126381.

It is a happy number.

It is not a de Polignac number, because 18362136147 - 2¹² = 18362132051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18362136099 and 18362136108.

It is not an unprimeable number, because it can be changed into a prime (18362136157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004247 + ... + 1022367.

It is an arithmetic number, because the mean of its divisors is an integer number (1559379978).

Almost surely, 2^18362136147 is an apocalyptic number.

18362136147 is a deficient number, since it is larger than the sum of its proper divisors (6587943501).

18362136147 is a wasteful number, since it uses less digits than its factorization.

18362136147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24550.

The product of its digits is 145152, while the sum is 42.

The spelling of 18362136147 in words is "eighteen billion, three hundred sixty-two million, one hundred thirty-six thousand, one hundred forty-seven".