161308093 has 8 divisors (see below), whose sum is σ = 167051808. Its totient is φ = 155655024.

The previous prime is 161308079. The next prime is 161308109. The reversal of 161308093 is 390803161.

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 161308093 - 2¹⁷ = 161177021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161308003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19030 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (20881476).

Almost surely, 2^161308093 is an apocalyptic number.

It is an amenable number.

161308093 is a deficient number, since it is larger than the sum of its proper divisors (5743715).

161308093 is an equidigital number, since it uses as much as digits as its factorization.

161308093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45323.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 161308093 is about 12700.7123028592. The cubic root of 161308093 is about 544.3589724943.

The spelling of 161308093 in words is "one hundred sixty-one million, three hundred eight thousand, ninety-three".