1609010256 has 80 divisors (see below), whose sum is σ = 4847408000. Its totient is φ = 459712512.

The previous prime is 1609010243. The next prime is 1609010279. The reversal of 1609010256 is 6520109061.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 32401 + ... + 65328.

It is an arithmetic number, because the mean of its divisors is an integer number (60592600).

Almost surely, 2^1609010256 is an apocalyptic number.

1609010256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1609010256 is an abundant number, since it is smaller than the sum of its proper divisors (3238397744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609010256 is an equidigital number, since it uses as much as digits as its factorization.

1609010256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97761 (or 97741 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1609010256 is about 40112.4700810110. The cubic root of 1609010256 is about 1171.7984992180.

The spelling of 1609010256 in words is "one billion, six hundred nine million, ten thousand, two hundred fifty-six".