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166124293 is a prime number
BaseRepresentation
bin10011110011011…
…01101100000101
3102120120222200121
421321231230011
5320011434133
624252341541
74055014246
oct1171555405
9376528617
10166124293
1185855705
12477748b1
13285561ca
14180c4ccd
15e8b702d
hex9e6db05

166124293 has 2 divisors, whose sum is σ = 166124294. Its totient is φ = 166124292.

The previous prime is 166124249. The next prime is 166124297. The reversal of 166124293 is 392421661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152596609 + 13527684 = 12353^2 + 3678^2 .

It is a cyclic number.

It is not a de Polignac number, because 166124293 - 29 = 166123781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166124297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83062146 + 83062147.

It is an arithmetic number, because the mean of its divisors is an integer number (83062147).

Almost surely, 2166124293 is an apocalyptic number.

It is an amenable number.

166124293 is a deficient number, since it is larger than the sum of its proper divisors (1).

166124293 is an equidigital number, since it uses as much as digits as its factorization.

166124293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 166124293 is about 12888.9213280243. The cubic root of 166124293 is about 549.7235999626.

The spelling of 166124293 in words is "one hundred sixty-six million, one hundred twenty-four thousand, two hundred ninety-three".