161051299 has 2 divisors, whose sum is σ = 161051300. Its totient is φ = 161051298.

The previous prime is 161051273. The next prime is 161051323. The reversal of 161051299 is 992150161.

It is a happy number.

161051299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161051299 - 2⁷ = 161051171 is a prime.

It is not a weakly prime, because it can be changed into another prime (161051249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80525649 + 80525650.

It is an arithmetic number, because the mean of its divisors is an integer number (80525650).

Almost surely, 2^161051299 is an apocalyptic number.

161051299 is a deficient number, since it is larger than the sum of its proper divisors (1).

161051299 is an equidigital number, since it uses as much as digits as its factorization.

161051299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 161051299 is about 12690.5988432382. The cubic root of 161051299 is about 544.0699554555.

The spelling of 161051299 in words is "one hundred sixty-one million, fifty-one thousand, two hundred ninety-nine".