1659165118 has 8 divisors (see below), whose sum is σ = 2680189848. Its totient is φ = 765768504.

The previous prime is 1659165113. The next prime is 1659165121. The reversal of 1659165118 is 8115619561.

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 (1659165113) 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, 31906996 + ... + 31907047.

It is an arithmetic number, because the mean of its divisors is an integer number (335023731).

Almost surely, 2^1659165118 is an apocalyptic number.

1659165118 is a deficient number, since it is larger than the sum of its proper divisors (1021024730).

1659165118 is a wasteful number, since it uses less digits than its factorization.

1659165118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63814058.

The product of its digits is 64800, while the sum is 43.

The square root of 1659165118 is about 40732.8505999764. The cubic root of 1659165118 is about 1183.8496121498.

The spelling of 1659165118 in words is "one billion, six hundred fifty-nine million, one hundred sixty-five thousand, one hundred eighteen".