1564305116 has 24 divisors (see below), whose sum is σ = 3162072816. Its totient is φ = 669221120.

The previous prime is 1564305109. The next prime is 1564305121. The reversal of 1564305116 is 6115034651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044911 + ... + 1046406.

It is an arithmetic number, because the mean of its divisors is an integer number (131753034).

Almost surely, 2^1564305116 is an apocalyptic number.

It is an amenable number.

1564305116 is an abundant number, since it is smaller than the sum of its proper divisors (1597767700).

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

1564305116 is a wasteful number, since it uses less digits than its factorization.

1564305116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091349 (or 2091347 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1564305116 is about 39551.2972732880. The cubic root of 1564305116 is about 1160.8438954330.

Adding to 1564305116 its reverse (6115034651), we get a palindrome (7679339767).

The spelling of 1564305116 in words is "one billion, five hundred sixty-four million, three hundred five thousand, one hundred sixteen".