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164196161387 is a prime number
BaseRepresentation
bin1001100011101011011…
…0101001011101101011
3120200211010001020021122
42120322312221131223
510142233204131022
6203233005325455
714601635225606
oct2307266513553
9520733036248
10164196161387
11636a94a8335
12279a4b6688b
131263970035b
147d38d2b33d
15441005e742
hex263ada976b

164196161387 has 2 divisors, whose sum is σ = 164196161388. Its totient is φ = 164196161386.

The previous prime is 164196161369. The next prime is 164196161413. The reversal of 164196161387 is 783161691461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164196161387 - 212 = 164196157291 is a prime.

It is not a weakly prime, because it can be changed into another prime (164196161317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82098080693 + 82098080694.

It is an arithmetic number, because the mean of its divisors is an integer number (82098080694).

Almost surely, 2164196161387 is an apocalyptic number.

164196161387 is a deficient number, since it is larger than the sum of its proper divisors (1).

164196161387 is an equidigital number, since it uses as much as digits as its factorization.

164196161387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The spelling of 164196161387 in words is "one hundred sixty-four billion, one hundred ninety-six million, one hundred sixty-one thousand, three hundred eighty-seven".