161140250025882 has 64 divisors (see below), whose sum is σ = 360072986757120. Its totient is φ = 53416055232000.

The previous prime is 161140250025869. The next prime is 161140250025901. The reversal of 161140250025882 is 288520052041161.

161140250025882 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 40 + 2 + 500 + 25 + 8 + 82 = 666.

161140250025882 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31812382 + ... + 36528182.

It is an arithmetic number, because the mean of its divisors is an integer number (5626140418080).

Almost surely, 2^{161140250025882} is an apocalyptic number.

161140250025882 is an abundant number, since it is smaller than the sum of its proper divisors (198932736731238).

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

161140250025882 is a wasteful number, since it uses less digits than its factorization.

161140250025882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719316 (or 4719310 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 161140250025882 in words is "one hundred sixty-one trillion, one hundred forty billion, two hundred fifty million, twenty-five thousand, eight hundred eighty-two".