1606167 has 12 divisors (see below), whose sum is σ = 2335320. Its totient is φ = 1063728.

The previous prime is 1606153. The next prime is 1606201. The reversal of 1606167 is 7616061.

It is not a de Polignac number, because 1606167 - 2⁴ = 1606151 is a prime.

1606167 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (194610).

2^1606167 is an apocalyptic number.

1606167 is a deficient number, since it is larger than the sum of its proper divisors (729153).

1606167 is a wasteful number, since it uses less digits than its factorization.

1606167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1606167 is about 1267.3464404021. The cubic root of 1606167 is about 117.1107870200.

The spelling of 1606167 in words is "one million, six hundred six thousand, one hundred sixty-seven".