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160168639 is a prime number
BaseRepresentation
bin10011000101111…
…11101010111111
3102011101102001211
421202333222333
5312000344024
623520545251
73653260651
oct1142775277
9364342054
10160168639
1182458084
1245782227
132724c457
14173b46d1
15e0dc594
hex98bfabf

160168639 has 2 divisors, whose sum is σ = 160168640. Its totient is φ = 160168638.

The previous prime is 160168609. The next prime is 160168649. The reversal of 160168639 is 936861061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 160168639 - 217 = 160037567 is a prime.

It is a super-2 number, since 2×1601686392 = 51307985838224642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160168609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80084319 + 80084320.

It is an arithmetic number, because the mean of its divisors is an integer number (80084320).

Almost surely, 2160168639 is an apocalyptic number.

160168639 is a deficient number, since it is larger than the sum of its proper divisors (1).

160168639 is an equidigital number, since it uses as much as digits as its factorization.

160168639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 160168639 is about 12655.7749268861. The cubic root of 160168639 is about 543.0741882950.

The spelling of 160168639 in words is "one hundred sixty million, one hundred sixty-eight thousand, six hundred thirty-nine".