161008293 has 4 divisors (see below), whose sum is σ = 214677728. Its totient is φ = 107338860.

The previous prime is 161008279. The next prime is 161008361. The reversal of 161008293 is 392800161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 161008293 - 2¹² = 161004197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161008293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161008093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26834713 + ... + 26834718.

It is an arithmetic number, because the mean of its divisors is an integer number (53669432).

Almost surely, 2^161008293 is an apocalyptic number.

It is an amenable number.

161008293 is a deficient number, since it is larger than the sum of its proper divisors (53669435).

161008293 is an equidigital number, since it uses as much as digits as its factorization.

161008293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53669434.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 161008293 is about 12688.9043262214. The cubic root of 161008293 is about 544.0215229464.

The spelling of 161008293 in words is "one hundred sixty-one million, eight thousand, two hundred ninety-three".