1310468661 has 12 divisors (see below), whose sum is σ = 1895209888. Its totient is φ = 872579304.

The previous prime is 1310468659. The next prime is 1310468671. The reversal of 1310468661 is 1668640131.

1310468661 is a `hidden beast` number, since 131 + 0 + 468 + 6 + 61 = 666.

It is not a de Polignac number, because 1310468661 - 2¹ = 1310468659 is a prime.

It is a super-2 number, since 2×1310468661² = 3434656222926265842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310468671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81055 + ... + 95868.

Almost surely, 2^1310468661 is an apocalyptic number.

It is an amenable number.

1310468661 is a deficient number, since it is larger than the sum of its proper divisors (584741227).

1310468661 is a wasteful number, since it uses less digits than its factorization.

1310468661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177752 (or 177749 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1310468661 is about 36200.3958680012. The cubic root of 1310468661 is about 1094.3146496363.

The spelling of 1310468661 in words is "one billion, three hundred ten million, four hundred sixty-eight thousand, six hundred sixty-one".