1564005152 has 48 divisors (see below), whose sum is σ = 3236671872. Its totient is φ = 742494720.

The previous prime is 1564005109. The next prime is 1564005181. The reversal of 1564005152 is 2515004651.

It is a happy number.

It is a super-2 number, since 2×1564005152² = 4892224230965086208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93077 + ... + 108587.

It is an arithmetic number, because the mean of its divisors is an integer number (67430664).

Almost surely, 2^1564005152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1564005152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618335936).

1564005152 is an abundant number, since it is smaller than the sum of its proper divisors (1672666720).

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

1564005152 is a wasteful number, since it uses less digits than its factorization.

1564005152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15681 (or 15673 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1564005152 is about 39547.5050034765. The cubic root of 1564005152 is about 1160.7696913164.

The spelling of 1564005152 in words is "one billion, five hundred sixty-four million, five thousand, one hundred fifty-two".