1670166 has 32 divisors (see below), whose sum is σ = 3754080. Its totient is φ = 550368.

The previous prime is 1670161. The next prime is 1670171. The reversal of 1670166 is 6610761.

It is an interprime number because it is at equal distance from previous prime (1670161) and next prime (1670171).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8380 + ... + 8576.

It is an arithmetic number, because the mean of its divisors is an integer number (117315).

2^1670166 is an apocalyptic number.

1670166 is an abundant number, since it is smaller than the sum of its proper divisors (2083914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1670166 is a wasteful number, since it uses less digits than its factorization.

1670166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

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

The square root of 1670166 is about 1292.3490240643. The cubic root of 1670166 is about 118.6460305122.

The spelling of 1670166 in words is "one million, six hundred seventy thousand, one hundred sixty-six".