8166451 has 2 divisors, whose sum is σ = 8166452. Its totient is φ = 8166450.

The previous prime is 8166439. The next prime is 8166461. The reversal of 8166451 is 1546618.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8166451 - 2⁹ = 8165939 is a prime.

8166451 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8166401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4083225 + 4083226.

It is an arithmetic number, because the mean of its divisors is an integer number (4083226).

Almost surely, 2^8166451 is an apocalyptic number.

8166451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8166451 is an equidigital number, since it uses as much as digits as its factorization.

8166451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 8166451 is about 2857.7002991916. The cubic root of 8166451 is about 201.3775812308.

The spelling of 8166451 in words is "eight million, one hundred sixty-six thousand, four hundred fifty-one".