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164382158088 = 23322283085529
BaseRepresentation
bin1001100100010111110…
…0001010110100001000
3120201022002000211210100
42121011330022310020
510143123313024323
6203303252045400
714606354201211
oct2310574126410
9521262024710
10164382158088
1163794496415
1227a37303860
13126690c3885
147d55906408
15442154e943
hex2645f0ad08

164382158088 has 24 divisors (see below), whose sum is σ = 445201678350. Its totient is φ = 54794052672.

The previous prime is 164382158063. The next prime is 164382158093. The reversal of 164382158088 is 880851283461.

164382158088 is a `hidden beast` number, since 1 + 6 + 4 + 38 + 21 + 580 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 163961826084 + 420332004 = 404922^2 + 20502^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1141542693 + ... + 1141542836.

Almost surely, 2164382158088 is an apocalyptic number.

164382158088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164382158088 is an abundant number, since it is smaller than the sum of its proper divisors (280819520262).

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

164382158088 is a wasteful number, since it uses less digits than its factorization.

164382158088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283085541 (or 2283085534 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 164382158088 in words is "one hundred sixty-four billion, three hundred eighty-two million, one hundred fifty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2283085529 4566171058 6849256587 9132342116 13698513174 18264684232 20547769761 27397026348 41095539522 54794052696 82191079044 164382158088