183798378216 has 24 divisors (see below), whose sum is σ = 497787274530. Its totient is φ = 61266126048.

The previous prime is 183798378209. The next prime is 183798378289. The reversal of 183798378216 is 612873897381.

183798378216 is a `hidden beast` number, since 18 + 37 + 9 + 8 + 378 + 216 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156887288100 + 26911090116 = 396090^2 + 164046^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276377555 + ... + 1276377698.

Almost surely, 2^183798378216 is an apocalyptic number.

It is an amenable number.

183798378216 is an abundant number, since it is smaller than the sum of its proper divisors (313988896314).

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

183798378216 is a wasteful number, since it uses less digits than its factorization.

183798378216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552755265 (or 2552755258 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 183798378216 in words is "one hundred eighty-three billion, seven hundred ninety-eight million, three hundred seventy-eight thousand, two hundred sixteen".