161358148885 has 8 divisors (see below), whose sum is σ = 193675013280. Its totient is φ = 129056362704.

The previous prime is 161358148883. The next prime is 161358148891. The reversal of 161358148885 is 588841853161.

161358148885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 161358148885 - 2¹ = 161358148883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161358148883) 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 7 ways as a sum of consecutive naturals, for example, 3745995 + ... + 3788824.

It is an arithmetic number, because the mean of its divisors is an integer number (24209376660).

Almost surely, 2^161358148885 is an apocalyptic number.

It is an amenable number.

161358148885 is a deficient number, since it is larger than the sum of its proper divisors (32316864395).

161358148885 is an equidigital number, since it uses as much as digits as its factorization.

161358148885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539107.

The product of its digits is 7372800, while the sum is 58.

The spelling of 161358148885 in words is "one hundred sixty-one billion, three hundred fifty-eight million, one hundred forty-eight thousand, eight hundred eighty-five".