1608813118 has 8 divisors (see below), whose sum is σ = 2632603320. Its totient is φ = 731278680.

The previous prime is 1608813113. The next prime is 1608813119. The reversal of 1608813118 is 8113188061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608813113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36563913 + ... + 36563956.

It is an arithmetic number, because the mean of its divisors is an integer number (329075415).

Almost surely, 2^1608813118 is an apocalyptic number.

1608813118 is a deficient number, since it is larger than the sum of its proper divisors (1023790202).

1608813118 is a wasteful number, since it uses less digits than its factorization.

1608813118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73127882.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 1608813118 is about 40110.0126901002. The cubic root of 1608813118 is about 1171.7506405118.

It can be divided in two parts, 1608 and 813118, that added together give a triangular number (814726 = T₁₂₇₆).

The spelling of 1608813118 in words is "one billion, six hundred eight million, eight hundred thirteen thousand, one hundred eighteen".