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12664455166 = 211575657053
BaseRepresentation
bin10111100101101110…
…00011111111111110
31012200121101222111001
423302313003333332
5201414100031131
65452403120514
7625560043546
oct136267037776
935617358431
1012664455166
115409833680
12255537313a
13126aa0a16c
14881d82326
154e1c71261
hex2f2dc3ffe

12664455166 has 8 divisors (see below), whose sum is σ = 20723653944. Its totient is φ = 5756570520.

The previous prime is 12664455163. The next prime is 12664455169. The reversal of 12664455166 is 66155446621.

It is an interprime number because it is at equal distance from previous prime (12664455163) and next prime (12664455169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664455163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287828505 + ... + 287828548.

It is an arithmetic number, because the mean of its divisors is an integer number (2590456743).

Almost surely, 212664455166 is an apocalyptic number.

12664455166 is a deficient number, since it is larger than the sum of its proper divisors (8059198778).

12664455166 is a wasteful number, since it uses less digits than its factorization.

12664455166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575657066.

The product of its digits is 1036800, while the sum is 46.

The spelling of 12664455166 in words is "twelve billion, six hundred sixty-four million, four hundred fifty-five thousand, one hundred sixty-six".

Divisors: 1 2 11 22 575657053 1151314106 6332227583 12664455166