1609160180 has 12 divisors (see below), whose sum is σ = 3379236420. Its totient is φ = 643664064.

The previous prime is 1609160173. The next prime is 1609160219. The reversal of 1609160180 is 810619061.

It can be written as a sum of positive squares in 2 ways, for example, as 318051556 + 1291108624 = 17834^2 + 35932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40228985 + ... + 40229024.

It is an arithmetic number, because the mean of its divisors is an integer number (281603035).

Almost surely, 2^1609160180 is an apocalyptic number.

1609160180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1609160180 is an abundant number, since it is smaller than the sum of its proper divisors (1770076240).

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

1609160180 is a wasteful number, since it uses less digits than its factorization.

1609160180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80458018 (or 80458016 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1609160180 is about 40114.3388328912. The cubic root of 1609160180 is about 1171.8348932810.

The spelling of 1609160180 in words is "one billion, six hundred nine million, one hundred sixty thousand, one hundred eighty".