161052299 has 2 divisors, whose sum is σ = 161052300. Its totient is φ = 161052298.

The previous prime is 161052257. The next prime is 161052349. The reversal of 161052299 is 992250161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161052299 - 2⁸ = 161052043 is a prime.

It is not a weakly prime, because it can be changed into another prime (161052239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80526149 + 80526150.

It is an arithmetic number, because the mean of its divisors is an integer number (80526150).

Almost surely, 2^161052299 is an apocalyptic number.

161052299 is a deficient number, since it is larger than the sum of its proper divisors (1).

161052299 is an equidigital number, since it uses as much as digits as its factorization.

161052299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 161052299 is about 12690.6382424211. The cubic root of 161052299 is about 544.0710815332.

The spelling of 161052299 in words is "one hundred sixty-one million, fifty-two thousand, two hundred ninety-nine".