1609158581348 has 6 divisors (see below), whose sum is σ = 2816027517366. Its totient is φ = 804579290672.

The previous prime is 1609158581333. The next prime is 1609158581369. The reversal of 1609158581348 is 8431858519061.

It can be written as a sum of positive squares in only one way, i.e., 1504591717924 + 104566863424 = 1226618^2 + 323368^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201144822665 + ... + 201144822672.

It is an arithmetic number, because the mean of its divisors is an integer number (469337919561).

Almost surely, 2^{1609158581348} is an apocalyptic number.

It is an amenable number.

1609158581348 is a deficient number, since it is larger than the sum of its proper divisors (1206868936018).

1609158581348 is a wasteful number, since it uses less digits than its factorization.

1609158581348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402289645341 (or 402289645339 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 59.

The spelling of 1609158581348 in words is "one trillion, six hundred nine billion, one hundred fifty-eight million, five hundred eighty-one thousand, three hundred forty-eight".