161083027 has 4 divisors (see below), whose sum is σ = 184094896. Its totient is φ = 138071160.

The previous prime is 161083019. The next prime is 161083033. The reversal of 161083027 is 720380161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161083027 - 2³ = 161083019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161082986 and 161083004.

It is not an unprimeable number, because it can be changed into a prime (161083057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11505924 + ... + 11505937.

It is an arithmetic number, because the mean of its divisors is an integer number (46023724).

Almost surely, 2^161083027 is an apocalyptic number.

161083027 is a deficient number, since it is larger than the sum of its proper divisors (23011869).

161083027 is an equidigital number, since it uses as much as digits as its factorization.

161083027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23011868.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 161083027 is about 12691.8488408900. The cubic root of 161083027 is about 544.1056813768.

The spelling of 161083027 in words is "one hundred sixty-one million, eighty-three thousand, twenty-seven".