161024047 has 2 divisors, whose sum is σ = 161024048. Its totient is φ = 161024046.

The previous prime is 161024033. The next prime is 161024053. The reversal of 161024047 is 740420161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161024047 - 2¹⁵ = 160991279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161024077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80512023 + 80512024.

It is an arithmetic number, because the mean of its divisors is an integer number (80512024).

Almost surely, 2^161024047 is an apocalyptic number.

161024047 is a deficient number, since it is larger than the sum of its proper divisors (1).

161024047 is an equidigital number, since it uses as much as digits as its factorization.

161024047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 161024047 is about 12689.5250896162. The cubic root of 161024047 is about 544.0392657914.

The spelling of 161024047 in words is "one hundred sixty-one million, twenty-four thousand, forty-seven".