1606491412 has 24 divisors (see below), whose sum is σ = 2886811200. Its totient is φ = 781953216.

The previous prime is 1606491407. The next prime is 1606491433. The reversal of 1606491412 is 2141946061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8737 + ... + 57352.

It is an arithmetic number, because the mean of its divisors is an integer number (120283800).

Almost surely, 2^1606491412 is an apocalyptic number.

It is an amenable number.

1606491412 is a deficient number, since it is larger than the sum of its proper divisors (1280319788).

1606491412 is a wasteful number, since it uses less digits than its factorization.

1606491412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66255 (or 66253 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1606491412 is about 40081.0605149115. The cubic root of 1606491412 is about 1171.1867112896.

The spelling of 1606491412 in words is "one billion, six hundred six million, four hundred ninety-one thousand, four hundred twelve".