1606261775 has 12 divisors (see below), whose sum is σ = 2038086072. Its totient is φ = 1255124640.

The previous prime is 1606261763. The next prime is 1606261793. The reversal of 1606261775 is 5771626061.

It is not a de Polignac number, because 1606261775 - 2¹⁶ = 1606196239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746024 + ... + 748173.

It is an arithmetic number, because the mean of its divisors is an integer number (169840506).

Almost surely, 2^1606261775 is an apocalyptic number.

1606261775 is a deficient number, since it is larger than the sum of its proper divisors (431824297).

1606261775 is a wasteful number, since it uses less digits than its factorization.

1606261775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494250 (or 1494245 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1606261775 is about 40078.1957552982. The cubic root of 1606261775 is about 1171.1309042440.

The spelling of 1606261775 in words is "one billion, six hundred six million, two hundred sixty-one thousand, seven hundred seventy-five".