1606110994 has 8 divisors (see below), whose sum is σ = 2411056908. Its totient is φ = 802425360.

The previous prime is 1606110971. The next prime is 1606111007. The reversal of 1606110994 is 4990116061.

It can be written as a sum of positive squares in 2 ways, for example, as 1379156769 + 226954225 = 37137^2 + 15065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311877 + ... + 316984.

Almost surely, 2^1606110994 is an apocalyptic number.

1606110994 is a deficient number, since it is larger than the sum of its proper divisors (804945914).

1606110994 is a wasteful number, since it uses less digits than its factorization.

1606110994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630140.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1606110994 is about 40076.3146259733. The cubic root of 1606110994 is about 1171.0942581179.

The spelling of 1606110994 in words is "one billion, six hundred six million, one hundred ten thousand, nine hundred ninety-four".