166112719 has 2 divisors, whose sum is σ = 166112720. Its totient is φ = 166112718.

The previous prime is 166112677. The next prime is 166112731. The reversal of 166112719 is 917211661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166112719 - 2¹¹ = 166110671 is a prime.

It is a super-2 number, since 2×166112719² = 55186870827145922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166112819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83056359 + 83056360.

It is an arithmetic number, because the mean of its divisors is an integer number (83056360).

Almost surely, 2^166112719 is an apocalyptic number.

166112719 is a deficient number, since it is larger than the sum of its proper divisors (1).

166112719 is an equidigital number, since it uses as much as digits as its factorization.

166112719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The square root of 166112719 is about 12888.4723299544. The cubic root of 166112719 is about 549.7108331188.

The spelling of 166112719 in words is "one hundred sixty-six million, one hundred twelve thousand, seven hundred nineteen".