30166541 has 2 divisors, whose sum is σ = 30166542. Its totient is φ = 30166540.

The previous prime is 30166531. The next prime is 30166553. The reversal of 30166541 is 14566103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 11417641 = 4330^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 30166541 - 2¹⁴ = 30150157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30166541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30166531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15083270 + 15083271.

It is an arithmetic number, because the mean of its divisors is an integer number (15083271).

Almost surely, 2^30166541 is an apocalyptic number.

It is an amenable number.

30166541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30166541 is an equidigital number, since it uses as much as digits as its factorization.

30166541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30166541 is about 5492.4075777386. The cubic root of 30166541 is about 311.2971694559.

The spelling of 30166541 in words is "thirty million, one hundred sixty-six thousand, five hundred forty-one".