161583903058 has 8 divisors (see below), whose sum is σ = 256633257852. Its totient is φ = 76039483776.

The previous prime is 161583903053. The next prime is 161583903077. The reversal of 161583903058 is 850309385161.

161583903058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 161260874329 + 323028729 = 401573^2 + 17973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×161583903058³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (161583903053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376233835 + ... + 2376233902.

Almost surely, 2^161583903058 is an apocalyptic number.

161583903058 is a deficient number, since it is larger than the sum of its proper divisors (95049354794).

161583903058 is a wasteful number, since it uses less digits than its factorization.

161583903058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752467756.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 161583903058 in words is "one hundred sixty-one billion, five hundred eighty-three million, nine hundred three thousand, fifty-eight".