161053049 has 2 divisors, whose sum is σ = 161053050. Its totient is φ = 161053048.

The previous prime is 161053033. The next prime is 161053097. The reversal of 161053049 is 940350161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 51222649 = 10480^2 + 7157^2 .

It is a cyclic number.

It is not a de Polignac number, because 161053049 - 2⁴ = 161053033 is a prime.

It is not a weakly prime, because it can be changed into another prime (161050049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80526524 + 80526525.

It is an arithmetic number, because the mean of its divisors is an integer number (80526525).

Almost surely, 2^161053049 is an apocalyptic number.

It is an amenable number.

161053049 is a deficient number, since it is larger than the sum of its proper divisors (1).

161053049 is an equidigital number, since it uses as much as digits as its factorization.

161053049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 161053049 is about 12690.6677917279. The cubic root of 161053049 is about 544.0719260884.

The spelling of 161053049 in words is "one hundred sixty-one million, fifty-three thousand, forty-nine".