166495 has 16 divisors (see below), whose sum is σ = 235008. Its totient is φ = 110880.

The previous prime is 166487. The next prime is 166541. The reversal of 166495 is 594661.

166495 = T₉₀ + T₉₁ + ... + T₁₁₉.

It is not a de Polignac number, because 166495 - 2³ = 166487 is a prime.

It is a Duffinian number.

166495 is a lucky 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, 2310 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (14688).

2¹⁶⁶⁴⁹⁵ is an apocalyptic number.

166495 is a deficient number, since it is larger than the sum of its proper divisors (68513).

166495 is an equidigital number, since it uses as much as digits as its factorization.

166495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150.

The product of its digits is 6480, while the sum is 31.

The square root of 166495 is about 408.0379884275. The cubic root of 166495 is about 55.0132199627.

Subtracting from 166495 its sum of digits (31), we obtain a square (166464 = 408²).

The spelling of 166495 in words is "one hundred sixty-six thousand, four hundred ninety-five".