1609185677112 has 96 divisors (see below), whose sum is σ = 4694170681200. Its totient is φ = 495058894848.

The previous prime is 1609185677107. The next prime is 1609185677123. The reversal of 1609185677112 is 2117765819061.

1609185677112 is a `hidden beast` number, since 1 + 6 + 0 + 9 + 1 + 8 + 567 + 71 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6203064 + ... + 6457272.

Almost surely, 2^{1609185677112} is an apocalyptic number.

1609185677112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1609185677112 is an abundant number, since it is smaller than the sum of its proper divisors (3084985004088).

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

1609185677112 is a wasteful number, since it uses less digits than its factorization.

1609185677112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260997 (or 260990 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 1609185677112 in words is "one trillion, six hundred nine billion, one hundred eighty-five million, six hundred seventy-seven thousand, one hundred twelve".