166252153 has 2 divisors, whose sum is σ = 166252154. Its totient is φ = 166252152.

The previous prime is 166252117. The next prime is 166252159. The reversal of 166252153 is 351252661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146821689 + 19430464 = 12117^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 166252153 - 2⁹ = 166251641 is a prime.

It is not a weakly prime, because it can be changed into another prime (166252159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83126076 + 83126077.

It is an arithmetic number, because the mean of its divisors is an integer number (83126077).

Almost surely, 2^166252153 is an apocalyptic number.

It is an amenable number.

166252153 is a deficient number, since it is larger than the sum of its proper divisors (1).

166252153 is an equidigital number, since it uses as much as digits as its factorization.

166252153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 166252153 is about 12893.8804477163. The cubic root of 166252153 is about 549.8645980737.

The spelling of 166252153 in words is "one hundred sixty-six million, two hundred fifty-two thousand, one hundred fifty-three".