1995164 has 6 divisors (see below), whose sum is σ = 3491544. Its totient is φ = 997580.

The previous prime is 1995143. The next prime is 1995187. The reversal of 1995164 is 4615991.

It is a zygodrome in base 2.

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, 249392 + ... + 249399.

It is an arithmetic number, because the mean of its divisors is an integer number (581924).

2^1995164 is an apocalyptic number.

It is an amenable number.

1995164 is a deficient number, since it is larger than the sum of its proper divisors (1496380).

1995164 is a wasteful number, since it uses less digits than its factorization.

1995164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498795 (or 498793 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 1995164 is about 1412.5027433602. The cubic root of 1995164 is about 125.8904733937.

The spelling of 1995164 in words is "one million, nine hundred ninety-five thousand, one hundred sixty-four".