1563164 has 6 divisors (see below), whose sum is σ = 2735544. Its totient is φ = 781580.

The previous prime is 1563161. The next prime is 1563209. The reversal of 1563164 is 4613651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195392 + ... + 195399.

It is an arithmetic number, because the mean of its divisors is an integer number (455924).

2^1563164 is an apocalyptic number.

It is an amenable number.

1563164 is a deficient number, since it is larger than the sum of its proper divisors (1172380).

1563164 is a wasteful number, since it uses less digits than its factorization.

1563164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390795 (or 390793 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1563164 is about 1250.2655717887. The cubic root of 1563164 is about 116.0561559257.

The spelling of 1563164 in words is "one million, five hundred sixty-three thousand, one hundred sixty-four".