166914965 has 16 divisors (see below), whose sum is σ = 232139520. Its totient is φ = 112842240.

The previous prime is 166914931. The next prime is 166914973. The reversal of 166914965 is 569419661.

It is a happy number.

It is not a de Polignac number, because 166914965 - 2²² = 162720661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31100 + ... + 36069.

It is an arithmetic number, because the mean of its divisors is an integer number (14508720).

Almost surely, 2^166914965 is an apocalyptic number.

It is an amenable number.

166914965 is a deficient number, since it is larger than the sum of its proper divisors (65224555).

166914965 is an equidigital number, since it uses as much as digits as its factorization.

166914965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67252.

The product of its digits is 349920, while the sum is 47.

The square root of 166914965 is about 12919.5574614613. The cubic root of 166914965 is about 550.5943602251.

The spelling of 166914965 in words is "one hundred sixty-six million, nine hundred fourteen thousand, nine hundred sixty-five".