1608149799 has 12 divisors (see below), whose sum is σ = 2459523456. Its totient is φ = 1009035072.

The previous prime is 1608149779. The next prime is 1608149821. The reversal of 1608149799 is 9979418061.

1608149799 is a `hidden beast` number, since 1 + 60 + 8 + 1 + 497 + 99 = 666.

It is not a de Polignac number, because 1608149799 - 2⁹ = 1608149287 is a prime.

It is a super-2 number, since 2×1608149799² = 5172291552047480802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608149749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5255239 + ... + 5255544.

It is an arithmetic number, because the mean of its divisors is an integer number (204960288).

Almost surely, 2^1608149799 is an apocalyptic number.

1608149799 is a deficient number, since it is larger than the sum of its proper divisors (851373657).

1608149799 is a wasteful number, since it uses less digits than its factorization.

1608149799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510806 (or 10510803 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 1608149799 is about 40101.7430917909. The cubic root of 1608149799 is about 1171.5895794788.

The spelling of 1608149799 in words is "one billion, six hundred eight million, one hundred forty-nine thousand, seven hundred ninety-nine".