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164266231 is a prime number
BaseRepresentation
bin10011100101010…
…00000011110111
3102110002120220111
421302220003313
5314023004411
624144443451
74033145203
oct1162500367
9373076814
10164266231
11847a6718
1247019587
132805556c
1417b5db03
15e64b721
hex9ca80f7

164266231 has 2 divisors, whose sum is σ = 164266232. Its totient is φ = 164266230.

The previous prime is 164266217. The next prime is 164266301. The reversal of 164266231 is 132662461.

164266231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164266231 - 27 = 164266103 is a prime.

It is a super-2 number, since 2×1642662312 = 53966789293890722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 164266193 and 164266202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164266831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82133115 + 82133116.

It is an arithmetic number, because the mean of its divisors is an integer number (82133116).

Almost surely, 2164266231 is an apocalyptic number.

164266231 is a deficient number, since it is larger than the sum of its proper divisors (1).

164266231 is an equidigital number, since it uses as much as digits as its factorization.

164266231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 164266231 is about 12816.6388339533. The cubic root of 164266231 is about 547.6664003570. Note that the first 3 decimals are identical.

The spelling of 164266231 in words is "one hundred sixty-four million, two hundred sixty-six thousand, two hundred thirty-one".