161104613602 has 16 divisors (see below), whose sum is σ = 250465156920. Its totient is φ = 77656174848.

The previous prime is 161104613569. The next prime is 161104613611. The reversal of 161104613602 is 206316401161.

It can be written as a sum of positive squares in 4 ways, for example, as 160960637601 + 143976001 = 401199^2 + 11999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9978583 + ... + 9994714.

Almost surely, 2^161104613602 is an apocalyptic number.

161104613602 is a deficient number, since it is larger than the sum of its proper divisors (89360543318).

161104613602 is a wasteful number, since it uses less digits than its factorization.

161104613602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973445.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 161104613602 in words is "one hundred sixty-one billion, one hundred four million, six hundred thirteen thousand, six hundred two".