1218608083 has 16 divisors (see below), whose sum is σ = 1520640000. Its totient is φ = 948729600.

The previous prime is 1218608071. The next prime is 1218608087. The reversal of 1218608083 is 3808068121.

It is not a de Polignac number, because 1218608083 - 2¹³ = 1218599891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1218608087) 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, 89838 + ... + 102508.

It is an arithmetic number, because the mean of its divisors is an integer number (95040000).

Almost surely, 2^1218608083 is an apocalyptic number.

1218608083 is a deficient number, since it is larger than the sum of its proper divisors (302031917).

1218608083 is a wasteful number, since it uses less digits than its factorization.

1218608083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1218608083 is about 34908.5674727566. The cubic root of 1218608083 is about 1068.1232081038.

The spelling of 1218608083 in words is "one billion, two hundred eighteen million, six hundred eight thousand, eighty-three".