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160916491 = 1931726717
BaseRepresentation
bin10011001011101…
…10010000001011
3102012210101221001
421211312100023
5312143311431
623544555431
73662524201
oct1145662013
9365711831
10160916491
1182918a3a
1245a82b77
1327451978
141752b071
15e1d8e61
hex997640b

160916491 has 8 divisors (see below), whose sum is σ = 169926480. Its totient is φ = 151960608.

The previous prime is 160916477. The next prime is 160916507. The reversal of 160916491 is 194619061.

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

It is a cyclic number.

It is not a de Polignac number, because 160916491 - 217 = 160785419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160916491.

It is not an unprimeable number, because it can be changed into a prime (160916401) 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, 7336 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (21240810).

Almost surely, 2160916491 is an apocalyptic number.

160916491 is a deficient number, since it is larger than the sum of its proper divisors (9009989).

160916491 is a wasteful number, since it uses less digits than its factorization.

160916491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27053.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 160916491 is about 12685.2863980282. The cubic root of 160916491 is about 543.9181084829.

The spelling of 160916491 in words is "one hundred sixty million, nine hundred sixteen thousand, four hundred ninety-one".

Divisors: 1 19 317 6023 26717 507623 8469289 160916491