1665112352 has 12 divisors (see below), whose sum is σ = 3278190006. Its totient is φ = 832556160.

The previous prime is 1665112333. The next prime is 1665112373. The reversal of 1665112352 is 2532115661.

It can be written as a sum of positive squares in only one way, i.e., 1555198096 + 109914256 = 39436^2 + 10484^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 52034761 = 1665112352 / (1 + 6 + 6 + 5 + 1 + 1 + 2 + 3 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26017349 + ... + 26017412.

Almost surely, 2^1665112352 is an apocalyptic number.

It is an amenable number.

1665112352 is a deficient number, since it is larger than the sum of its proper divisors (1613077654).

1665112352 is an equidigital number, since it uses as much as digits as its factorization.

1665112352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52034771 (or 52034763 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1665112352 is about 40805.7882168694. The cubic root of 1665112352 is about 1185.2624181009.

The spelling of 1665112352 in words is "one billion, six hundred sixty-five million, one hundred twelve thousand, three hundred fifty-two".