180996 has 12 divisors (see below), whose sum is σ = 422352. Its totient is φ = 60328.
The previous prime is 180959. The next prime is 181001. The reversal of 180996 is 699081.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
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, 7530 + ... + 7553.
It is an arithmetic number, because the mean of its divisors is an integer number (35196).
2180996 is an apocalyptic number.
It is an amenable number.
180996 is an abundant number, since it is smaller than the sum of its proper divisors (241356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180996 is a wasteful number, since it uses less digits than its factorization.
180996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15090 (or 15088 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 180996 is about 425.4362466927. The cubic root of 180996 is about 56.5661115588.
It can be divided in two parts, 180 and 996, that added together give a triangular number (1176 = T48).
The spelling of 180996 in words is "one hundred eighty thousand, nine hundred ninety-six".
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