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2066160931 is a prime number
BaseRepresentation
bin111101100100111…
…0001110100100011
312022222211211221221
41323021301310203
513212414122211
6541004555511
7102126035542
oct17311616443
95288754857
102066160931
1197032631a
12497b52b97
1326c0a0643
1415859c159
15c15d0c71
hex7b271d23

2066160931 has 2 divisors, whose sum is σ = 2066160932. Its totient is φ = 2066160930.

The previous prime is 2066160923. The next prime is 2066160953. The reversal of 2066160931 is 1390616602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066160931 - 23 = 2066160923 is a prime.

It is a super-2 number, since 2×20661609312 = 8538041985581573522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2066160961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033080465 + 1033080466.

It is an arithmetic number, because the mean of its divisors is an integer number (1033080466).

Almost surely, 22066160931 is an apocalyptic number.

2066160931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066160931 is an equidigital number, since it uses as much as digits as its factorization.

2066160931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2066160931 is about 45455.0429655500. The cubic root of 2066160931 is about 1273.6635348261.

The spelling of 2066160931 in words is "two billion, sixty-six million, one hundred sixty thousand, nine hundred thirty-one".