1606488785 has 16 divisors (see below), whose sum is σ = 2175560640. Its totient is φ = 1128066240.

The previous prime is 1606488781. The next prime is 1606488791. The reversal of 1606488785 is 5878846061.

It is not a de Polignac number, because 1606488785 - 2² = 1606488781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1606488781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502007 + ... + 505196.

It is an arithmetic number, because the mean of its divisors is an integer number (135972540).

Almost surely, 2^1606488785 is an apocalyptic number.

It is an amenable number.

1606488785 is a deficient number, since it is larger than the sum of its proper divisors (569071855).

1606488785 is a wasteful number, since it uses less digits than its factorization.

1606488785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007248.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 1606488785 is about 40081.0277438092. The cubic root of 1606488785 is about 1171.1860728986.

The spelling of 1606488785 in words is "one billion, six hundred six million, four hundred eighty-eight thousand, seven hundred eighty-five".