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161434699 is a prime number
BaseRepresentation
bin10011001111101…
…00110001001011
3102020202201202221
421213310301023
5312311402244
624004034511
74000113046
oct1147646113
9366681687
10161434699
1183142308
1246092a37
13275a37ba
1417623c5d
15e28c784
hex99f4c4b

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, 2161434699 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".