166495895 has 16 divisors (see below), whose sum is σ = 203591232. Its totient is φ = 130690560.

The previous prime is 166495877. The next prime is 166495913. The reversal of 166495895 is 598594661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166495877) and next prime (166495913).

It is not a de Polignac number, because 166495895 - 2¹⁶ = 166430359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56765 + ... + 59625.

It is an arithmetic number, because the mean of its divisors is an integer number (12724452).

Almost surely, 2^166495895 is an apocalyptic number.

166495895 is a deficient number, since it is larger than the sum of its proper divisors (37095337).

166495895 is a wasteful number, since it uses less digits than its factorization.

166495895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082.

The product of its digits is 2332800, while the sum is 53.

The square root of 166495895 is about 12903.3288340645. The cubic root of 166495895 is about 550.1331853767.

The spelling of 166495895 in words is "one hundred sixty-six million, four hundred ninety-five thousand, eight hundred ninety-five".