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8168660164 = 2271138233137
BaseRepresentation
bin1111001101110001…
…11101110011000100
3210002021202221011001
413212320331303010
5113212134111124
63430322423044
7406266315520
oct74670756304
923067687131
108168660164
113511aa5315
1216bb801a84
13a02476632
14576c4cd80
1532c213b44
hex1e6e3dcc4

8168660164 has 48 divisors (see below), whose sum is σ = 16507185408. Its totient is φ = 3464552448.

The previous prime is 8168660131. The next prime is 8168660179. The reversal of 8168660164 is 4610668618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602404 + ... + 2605540.

It is an arithmetic number, because the mean of its divisors is an integer number (343899696).

Almost surely, 28168660164 is an apocalyptic number.

It is an amenable number.

8168660164 is an abundant number, since it is smaller than the sum of its proper divisors (8338525244).

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

8168660164 is a wasteful number, since it uses less digits than its factorization.

8168660164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 8168660164 is about 90380.6404270295. The cubic root of 8168660164 is about 2013.9573828144.

The spelling of 8168660164 in words is "eight billion, one hundred sixty-eight million, six hundred sixty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 113 226 452 791 823 1582 1646 3137 3164 3292 5761 6274 11522 12548 21959 23044 43918 87836 92999 185998 354481 371996 650993 708962 1301986 1417924 2481367 2581751 2603972 4962734 5163502 9925468 10327004 18072257 36144514 72289028 291737863 583475726 1166951452 2042165041 4084330082 8168660164