1039166642 has 4 divisors (see below), whose sum is σ = 1558749966. Its totient is φ = 519583320.

The previous prime is 1039166627. The next prime is 1039166669. The reversal of 1039166642 is 2466619301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2466619301 = 17 ⋅145095253.

It can be written as a sum of positive squares in only one way, i.e., 854451361 + 184715281 = 29231^2 + 13591^2 .

It is a super-3 number, since 3×1039166642³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1039166596 and 1039166605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259791659 + ... + 259791662.

Almost surely, 2^1039166642 is an apocalyptic number.

1039166642 is a deficient number, since it is larger than the sum of its proper divisors (519583324).

1039166642 is an equidigital number, since it uses as much as digits as its factorization.

1039166642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519583323.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1039166642 is about 32236.1077365119. The cubic root of 1039166642 is about 1012.8887146806. Note that the first 3 decimals are identical.

The spelling of 1039166642 in words is "one billion, thirty-nine million, one hundred sixty-six thousand, six hundred forty-two".