161083019 has 2 divisors, whose sum is σ = 161083020. Its totient is φ = 161083018.

The previous prime is 161083009. The next prime is 161083033. The reversal of 161083019 is 910380161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161083019 - 2⁴ = 161083003 is a prime.

It is a super-2 number, since 2×161083019² = 51895478020308722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 161082982 and 161083000.

It is not a weakly prime, because it can be changed into another prime (161083009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80541509 + 80541510.

It is an arithmetic number, because the mean of its divisors is an integer number (80541510).

Almost surely, 2^161083019 is an apocalyptic number.

161083019 is a deficient number, since it is larger than the sum of its proper divisors (1).

161083019 is an equidigital number, since it uses as much as digits as its factorization.

161083019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 161083019 is about 12691.8485257271. The cubic root of 161083019 is about 544.1056723693.

The spelling of 161083019 in words is "one hundred sixty-one million, eighty-three thousand, nineteen".