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69160161 = 3712912551
BaseRepresentation
bin1000001111101…
…00110011100001
311211010200220110
410013310303201
5120201111121
610510201533
71466565060
oct407646341
9154120813
1069160161
1136048064
121b1b32a9
1311436495
1492841d7
156111d76
hex41f4ce1

69160161 has 16 divisors (see below), whose sum is σ = 105509888. Its totient is φ = 39474000.

The previous prime is 69160159. The next prime is 69160183. The reversal of 69160161 is 16106196.

It is a happy number.

It is not a de Polignac number, because 69160161 - 21 = 69160159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69160111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25836 + ... + 28386.

It is an arithmetic number, because the mean of its divisors is an integer number (6594368).

Almost surely, 269160161 is an apocalyptic number.

It is an amenable number.

69160161 is a deficient number, since it is larger than the sum of its proper divisors (36349727).

69160161 is a wasteful number, since it uses less digits than its factorization.

69160161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 69160161 is about 8316.2588343557. The cubic root of 69160161 is about 410.4736960075.

The spelling of 69160161 in words is "sixty-nine million, one hundred sixty thousand, one hundred sixty-one".

Divisors: 1 3 7 21 1291 2551 3873 7653 9037 17857 27111 53571 3293341 9880023 23053387 69160161