1679238144 has 66 divisors (see below), whose sum is σ = 4848790310. Its totient is φ = 559742976.

The previous prime is 1679238109. The next prime is 1679238173. The reversal of 1679238144 is 4418329761.

It can be written as a sum of positive squares in only one way, i.e., 1148396544 + 530841600 = 33888^2 + 23040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1679238144.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81889 + ... + 100320.

Almost surely, 2^1679238144 is an apocalyptic number.

It is an amenable number.

1679238144 is an abundant number, since it is smaller than the sum of its proper divisors (3169552166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679238144 is a wasteful number, since it uses less digits than its factorization.

1679238144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182235 (or 182214 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1679238144 is about 40978.5083183856. The cubic root of 1679238144 is about 1188.6046644693.

The spelling of 1679238144 in words is "one billion, six hundred seventy-nine million, two hundred thirty-eight thousand, one hundred forty-four".