1564160996 has 12 divisors (see below), whose sum is σ = 2737661052. Its totient is φ = 781972128.

The previous prime is 1564160993. The next prime is 1564161031. The reversal of 1564160996 is 6990614651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 220938496 + 1343222500 = 14864^2 + 36650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1564160996.

It is not an unprimeable number, because it can be changed into a prime (1564160993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11486 + ... + 57098.

It is an arithmetic number, because the mean of its divisors is an integer number (228138421).

Almost surely, 2^1564160996 is an apocalyptic number.

It is an amenable number.

1564160996 is a deficient number, since it is larger than the sum of its proper divisors (1173500056).

1564160996 is a wasteful number, since it uses less digits than its factorization.

1564160996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54190 (or 54188 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 1564160996 is about 39549.4752936117. The cubic root of 1564160996 is about 1160.8082446812.

The spelling of 1564160996 in words is "one billion, five hundred sixty-four million, one hundred sixty thousand, nine hundred ninety-six".