161134651 has 2 divisors, whose sum is σ = 161134652. Its totient is φ = 161134650.

The previous prime is 161134627. The next prime is 161134669. The reversal of 161134651 is 156431161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161134651 - 2¹⁵ = 161101883 is a prime.

It is not a weakly prime, because it can be changed into another prime (161134601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80567325 + 80567326.

It is an arithmetic number, because the mean of its divisors is an integer number (80567326).

Almost surely, 2^161134651 is an apocalyptic number.

161134651 is a deficient number, since it is larger than the sum of its proper divisors (1).

161134651 is an equidigital number, since it uses as much as digits as its factorization.

161134651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 161134651 is about 12693.8824242231. The cubic root of 161134651 is about 544.1638002903.

The spelling of 161134651 in words is "one hundred sixty-one million, one hundred thirty-four thousand, six hundred fifty-one".