18016848545 has 16 divisors (see below), whose sum is σ = 21800370240. Its totient is φ = 14293531200.

The previous prime is 18016848503. The next prime is 18016848581. The reversal of 18016848545 is 54584861081.

It is not a de Polignac number, because 18016848545 - 2¹⁶ = 18016783009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18016848493 and 18016848502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020251 + ... + 1037759.

It is an arithmetic number, because the mean of its divisors is an integer number (1362523140).

Almost surely, 2^18016848545 is an apocalyptic number.

It is an amenable number.

18016848545 is a deficient number, since it is larger than the sum of its proper divisors (3783521695).

18016848545 is a wasteful number, since it uses less digits than its factorization.

18016848545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216.

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 18016848545 in words is "eighteen billion, sixteen million, eight hundred forty-eight thousand, five hundred forty-five".