166070453 has 2 divisors, whose sum is σ = 166070454. Its totient is φ = 166070452.

The previous prime is 166070447. The next prime is 166070473. The reversal of 166070453 is 354070661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 67207204 = 9943^2 + 8198^2 .

It is a cyclic number.

It is not a de Polignac number, because 166070453 - 2⁸ = 166070197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166070423) 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, 83035226 + 83035227.

It is an arithmetic number, because the mean of its divisors is an integer number (83035227).

Almost surely, 2^166070453 is an apocalyptic number.

It is an amenable number.

166070453 is a deficient number, since it is larger than the sum of its proper divisors (1).

166070453 is an equidigital number, since it uses as much as digits as its factorization.

166070453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 166070453 is about 12886.8325433366. The cubic root of 166070453 is about 549.6642060472.

The spelling of 166070453 in words is "one hundred sixty-six million, seventy thousand, four hundred fifty-three".