1606164 has 24 divisors (see below), whose sum is σ = 4283328. Its totient is φ = 458880.

The previous prime is 1606153. The next prime is 1606201. The reversal of 1606164 is 4616061.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9477 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (178472).

2^1606164 is an apocalyptic number.

1606164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1606164 is an abundant number, since it is smaller than the sum of its proper divisors (2677164).

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

1606164 is a wasteful number, since it uses less digits than its factorization.

1606164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19135 (or 19133 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1606164 is about 1267.3452568263. The cubic root of 1606164 is about 117.1107141067.

It can be divided in two parts, 1606 and 164, that added together give a triangular number (1770 = T₅₉).

The spelling of 1606164 in words is "one million, six hundred six thousand, one hundred sixty-four".