1564265016 has 24 divisors (see below), whose sum is σ = 4236551280. Its totient is φ = 521421648.

The previous prime is 1564265011. The next prime is 1564265023. The reversal of 1564265016 is 6105624651.

1564265016 is a `hidden beast` number, since 1 + 5 + 642 + 6 + 5 + 0 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564265011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10862880 + ... + 10863023.

It is an arithmetic number, because the mean of its divisors is an integer number (176522970).

Almost surely, 2^1564265016 is an apocalyptic number.

It is an amenable number.

1564265016 is an abundant number, since it is smaller than the sum of its proper divisors (2672286264).

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

1564265016 is a wasteful number, since it uses less digits than its factorization.

1564265016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21725915 (or 21725908 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1564265016 is about 39550.7903334434. The cubic root of 1564265016 is about 1160.8339761750.

Adding to 1564265016 its reverse (6105624651), we get a palindrome (7669889667).

The spelling of 1564265016 in words is "one billion, five hundred sixty-four million, two hundred sixty-five thousand, sixteen".