166350427 has 2 divisors, whose sum is σ = 166350428. Its totient is φ = 166350426.

The previous prime is 166350413. The next prime is 166350461. The reversal of 166350427 is 724053661.

It is a happy number.

It is an a-pointer prime, because the next prime (166350461) can be obtained adding 166350427 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166350427 - 2⁷ = 166350299 is a prime.

It is a super-3 number, since 3×166350427³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166350392 and 166350401.

It is not a weakly prime, because it can be changed into another prime (166350827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83175213 + 83175214.

It is an arithmetic number, because the mean of its divisors is an integer number (83175214).

Almost surely, 2^166350427 is an apocalyptic number.

166350427 is a deficient number, since it is larger than the sum of its proper divisors (1).

166350427 is an equidigital number, since it uses as much as digits as its factorization.

166350427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 166350427 is about 12897.6907623031. The cubic root of 166350427 is about 549.9729209808.

The spelling of 166350427 in words is "one hundred sixty-six million, three hundred fifty thousand, four hundred twenty-seven".