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164145161151 = 342388107977
BaseRepresentation
bin1001100011011111010…
…0000110001110111111
3120200200120002011010000
42120313310012032333
510142132130124101
6203223544245343
714600445564066
oct2306764061677
9520616064100
10164145161151
1163682734084
122798ba70853
131262bc848ba
147d322531dd
15440a838486
hex2637d063bf

164145161151 has 20 divisors (see below), whose sum is σ = 255865568112. Its totient is φ = 104672275488.

The previous prime is 164145161143. The next prime is 164145161177. The reversal of 164145161151 is 151161541461.

164145161151 is a `hidden beast` number, since 1 + 641 + 4 + 5 + 1 + 6 + 1 + 1 + 5 + 1 = 666.

It is not a de Polignac number, because 164145161151 - 23 = 164145161143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164145161111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44052126 + ... + 44055851.

Almost surely, 2164145161151 is an apocalyptic number.

164145161151 is a deficient number, since it is larger than the sum of its proper divisors (91720406961).

164145161151 is an equidigital number, since it uses as much as digits as its factorization.

164145161151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88108012 (or 88108003 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The spelling of 164145161151 in words is "one hundred sixty-four billion, one hundred forty-five million, one hundred sixty-one thousand, one hundred fifty-one".

Divisors: 1 3 9 23 27 69 81 207 621 1863 88107977 264323931 792971793 2026483471 2378915379 6079450413 7136746137 18238351239 54715053717 164145161151