1016564 has 6 divisors (see below), whose sum is σ = 1778994. Its totient is φ = 508280.

The previous prime is 1016527. The next prime is 1016567. The reversal of 1016564 is 4656101.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 220900 = 892^2 + 470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016567) 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 as a sum of consecutive naturals, namely, 127067 + ... + 127074.

It is an arithmetic number, because the mean of its divisors is an integer number (296499).

2^1016564 is an apocalyptic number.

It is an amenable number.

1016564 is a deficient number, since it is larger than the sum of its proper divisors (762430).

1016564 is a wasteful number, since it uses less digits than its factorization.

1016564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254145 (or 254143 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1016564 is about 1008.2479853687. The cubic root of 1016564 is about 100.5491125682.

The spelling of 1016564 in words is "one million, sixteen thousand, five hundred sixty-four".