70166269 has 2 divisors, whose sum is σ = 70166270. Its totient is φ = 70166268.

The previous prime is 70166267. The next prime is 70166273. The reversal of 70166269 is 96266107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 8732025 = 7838^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 70166269 - 2¹ = 70166267 is a prime.

It is a super-2 number, since 2×70166269² = 9846610610760722, which contains 22 as substring.

Together with 70166267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70166263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35083134 + 35083135.

It is an arithmetic number, because the mean of its divisors is an integer number (35083135).

Almost surely, 2^70166269 is an apocalyptic number.

It is an amenable number.

70166269 is a deficient number, since it is larger than the sum of its proper divisors (1).

70166269 is an equidigital number, since it uses as much as digits as its factorization.

70166269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 70166269 is about 8376.5308451650. The cubic root of 70166269 is about 412.4545776738.

The spelling of 70166269 in words is "seventy million, one hundred sixty-six thousand, two hundred sixty-nine".