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165580147 is a prime number
BaseRepresentation
bin10011101111010…
…00110101110011
3102112120100021001
421313220311303
5314342031042
624232542431
74050256645
oct1167506563
9375510231
10165580147
11855138a7
1247551a17
13283c5625
1417dc2895
15e80abb7
hex9de8d73

165580147 has 2 divisors, whose sum is σ = 165580148. Its totient is φ = 165580146.

The previous prime is 165580123. The next prime is 165580157. The reversal of 165580147 is 741085561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165580147 - 215 = 165547379 is a prime.

It is not a weakly prime, because it can be changed into another prime (165580157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82790073 + 82790074.

It is an arithmetic number, because the mean of its divisors is an integer number (82790074).

Almost surely, 2165580147 is an apocalyptic number.

165580147 is a deficient number, since it is larger than the sum of its proper divisors (1).

165580147 is an equidigital number, since it uses as much as digits as its factorization.

165580147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 165580147 is about 12867.7949548475. The cubic root of 165580147 is about 549.1227303933.

The spelling of 165580147 in words is "one hundred sixty-five million, five hundred eighty thousand, one hundred forty-seven".