1610164 has 6 divisors (see below), whose sum is σ = 2817794. Its totient is φ = 805080.

The previous prime is 1610153. The next prime is 1610177. The reversal of 1610164 is 4610161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 67600 = 1242^2 + 260^2 .

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 as a sum of consecutive naturals, namely, 201267 + ... + 201274.

2^1610164 is an apocalyptic number.

It is an amenable number.

1610164 is a deficient number, since it is larger than the sum of its proper divisors (1207630).

1610164 is a wasteful number, since it uses less digits than its factorization.

1610164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402545 (or 402543 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1610164 is about 1268.9223774526. The cubic root of 1610164 is about 117.2078512448.

The spelling of 1610164 in words is "one million, six hundred ten thousand, one hundred sixty-four".