161130157863 has 16 divisors (see below), whose sum is σ = 215016758880. Its totient is φ = 107331878016.

The previous prime is 161130157813. The next prime is 161130157907. The reversal of 161130157863 is 368751031161.

It is not a de Polignac number, because 161130157863 - 2¹⁴ = 161130141479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161130157813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29416681 + ... + 29422157.

It is an arithmetic number, because the mean of its divisors is an integer number (13438547430).

Almost surely, 2^161130157863 is an apocalyptic number.

161130157863 is a deficient number, since it is larger than the sum of its proper divisors (53886601017).

161130157863 is a wasteful number, since it uses less digits than its factorization.

161130157863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11746.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 161130157863 in words is "one hundred sixty-one billion, one hundred thirty million, one hundred fifty-seven thousand, eight hundred sixty-three".