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164061717 = 398355633
BaseRepresentation
bin10011100011101…
…10001000010101
3102102201012100220
421301312020111
5313444433332
624140224553
74031334021
oct1161661025
9372635326
10164061717
1184676aa6
1246b3b159
1327cb3451
1417b09381
15e60ad2c
hex9c76215

164061717 has 8 divisors (see below), whose sum is σ = 218975424. Its totient is φ = 109261248.

The previous prime is 164061661. The next prime is 164061739. The reversal of 164061717 is 717160461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164061717 - 211 = 164059669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164061017) 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 7 ways as a sum of consecutive naturals, for example, 24868 + ... + 30765.

It is an arithmetic number, because the mean of its divisors is an integer number (27371928).

Almost surely, 2164061717 is an apocalyptic number.

It is an amenable number.

164061717 is a deficient number, since it is larger than the sum of its proper divisors (54913707).

164061717 is an equidigital number, since it uses as much as digits as its factorization.

164061717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56619.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 164061717 is about 12808.6578922227. The cubic root of 164061717 is about 547.4390215859.

The spelling of 164061717 in words is "one hundred sixty-four million, sixty-one thousand, seven hundred seventeen".

Divisors: 1 3 983 2949 55633 166899 54687239 164061717