1606841025 has 12 divisors (see below), whose sum is σ = 2656643952. Its totient is φ = 856981840.

The previous prime is 1606841009. The next prime is 1606841051. The reversal of 1606841025 is 5201486061.

It is not a de Polignac number, because 1606841025 - 2⁴ = 1606841009 is a prime.

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 10712199 + ... + 10712348.

It is an arithmetic number, because the mean of its divisors is an integer number (221386996).

Almost surely, 2^1606841025 is an apocalyptic number.

1606841025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1606841025 is a deficient number, since it is larger than the sum of its proper divisors (1049802927).

1606841025 is a wasteful number, since it uses less digits than its factorization.

1606841025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21424560 (or 21424555 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1606841025 is about 40085.4216018742. The cubic root of 1606841025 is about 1171.2716650377.

The spelling of 1606841025 in words is "one billion, six hundred six million, eight hundred forty-one thousand, twenty-five".