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161168094 = 2328953783
BaseRepresentation
bin10011001101100…
…11101011011110
3102020021012001200
421212303223132
5312224334334
623554220330
73664622553
oct1146635336
9366235050
10161168094
1182a7aa7a
1245b846a6
132750c349
1417594a2a
15e238799
hex99b3ade

161168094 has 12 divisors (see below), whose sum is σ = 349197576. Its totient is φ = 53722692.

The previous prime is 161168093. The next prime is 161168099. The reversal of 161168094 is 490861161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161168093) 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 in 5 ways as a sum of consecutive naturals, for example, 4476874 + ... + 4476909.

It is an arithmetic number, because the mean of its divisors is an integer number (29099798).

Almost surely, 2161168094 is an apocalyptic number.

161168094 is an abundant number, since it is smaller than the sum of its proper divisors (188029482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161168094 is a wasteful number, since it uses less digits than its factorization.

161168094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8953791 (or 8953788 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 161168094 is about 12695.1996439599. The cubic root of 161168094 is about 544.2014441925.

The spelling of 161168094 in words is "one hundred sixty-one million, one hundred sixty-eight thousand, ninety-four".

Divisors: 1 2 3 6 9 18 8953783 17907566 26861349 53722698 80584047 161168094