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160664047 = 1639291061
BaseRepresentation
bin10011001001110…
…00100111101111
3102012022120122021
421210320213233
5312112222142
623535331011
73660423205
oct1144704757
9365276567
10160664047
1182766305
1245980a67
1327393aab
14174a3075
15e189267
hex99389ef

160664047 has 8 divisors (see below), whose sum is σ = 161976240. Its totient is φ = 159356160.

The previous prime is 160664029. The next prime is 160664069. The reversal of 160664047 is 740466061.

It is a happy number.

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 160664047 - 227 = 26446319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160664087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150897 + ... + 151957.

It is an arithmetic number, because the mean of its divisors is an integer number (20247030).

Almost surely, 2160664047 is an apocalyptic number.

160664047 is a deficient number, since it is larger than the sum of its proper divisors (1312193).

160664047 is a wasteful number, since it uses less digits than its factorization.

160664047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 160664047 is about 12675.3322244429. The cubic root of 160664047 is about 543.6335287243.

The spelling of 160664047 in words is "one hundred sixty million, six hundred sixty-four thousand, forty-seven".

Divisors: 1 163 929 1061 151427 172943 985669 160664047