161434699 has 2 divisors, whose sum is σ = 161434700. Its totient is φ = 161434698.

The previous prime is 161434667. The next prime is 161434709. The reversal of 161434699 is 996434161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161434699 - 2⁵ = 161434667 is a prime.

It is a super-2 number, since 2×161434699² = 52122324082441202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161434649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80717349 + 80717350.

It is an arithmetic number, because the mean of its divisors is an integer number (80717350).

Almost surely, 2^161434699 is an apocalyptic number.

161434699 is a deficient number, since it is larger than the sum of its proper divisors (1).

161434699 is an equidigital number, since it uses as much as digits as its factorization.

161434699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 161434699 is about 12705.6955338935. The cubic root of 161434699 is about 544.5013523914.

The spelling of 161434699 in words is "one hundred sixty-one million, four hundred thirty-four thousand, six hundred ninety-nine".