1560749668 has 12 divisors (see below), whose sum is σ = 2891977452. Its totient is φ = 734470400.

The previous prime is 1560749581. The next prime is 1560749669. The reversal of 1560749668 is 8669470651.

It can be written as a sum of positive squares in 2 ways, for example, as 774620224 + 786129444 = 27832^2 + 28038^2 .

It is a super-2 number, since 2×1560749668² = 4871879052324220448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1560749669) 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, 11476033 + ... + 11476168.

It is an arithmetic number, because the mean of its divisors is an integer number (240998121).

Almost surely, 2^1560749668 is an apocalyptic number.

It is an amenable number.

1560749668 is a deficient number, since it is larger than the sum of its proper divisors (1331227784).

1560749668 is a wasteful number, since it uses less digits than its factorization.

1560749668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952222 (or 22952220 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 1560749668 is about 39506.3244050873. The cubic root of 1560749668 is about 1159.9637493626.

The spelling of 1560749668 in words is "one billion, five hundred sixty million, seven hundred forty-nine thousand, six hundred sixty-eight".