Search a number
-
+
160661055 = 3519563723
BaseRepresentation
bin10011001001101…
…11111000111111
3102012022102112110
421210313320333
5312112123210
623535305103
73660411402
oct1144677077
9365272473
10160661055
1182764035
124597b193
1327392619
14174a1d39
15e188420
hex9937e3f

160661055 has 16 divisors (see below), whose sum is σ = 270587520. Its totient is φ = 81175968.

The previous prime is 160661047. The next prime is 160661069. The reversal of 160661055 is 550166061.

It is not a de Polignac number, because 160661055 - 23 = 160661047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281577 + ... + 282146.

It is an arithmetic number, because the mean of its divisors is an integer number (16911720).

Almost surely, 2160661055 is an apocalyptic number.

160661055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

160661055 is a deficient number, since it is larger than the sum of its proper divisors (109926465).

160661055 is a wasteful number, since it uses less digits than its factorization.

160661055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563750.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 160661055 is about 12675.2141993735. The cubic root of 160661055 is about 543.6301540601.

The spelling of 160661055 in words is "one hundred sixty million, six hundred sixty-one thousand, fifty-five".

Divisors: 1 3 5 15 19 57 95 285 563723 1691169 2818615 8455845 10710737 32132211 53553685 160661055