1351159866 has 40 divisors (see below), whose sum is σ = 3460116000. Its totient is φ = 386045352.

The previous prime is 1351159801. The next prime is 1351159867. The reversal of 1351159866 is 6689511531.

1351159866 is a `hidden beast` number, since 1 + 3 + 51 + 1 + 598 + 6 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1351159867) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 594616 + ... + 596883.

It is an arithmetic number, because the mean of its divisors is an integer number (86502900).

Almost surely, 2^1351159866 is an apocalyptic number.

1351159866 is an abundant number, since it is smaller than the sum of its proper divisors (2108956134).

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

1351159866 is a wasteful number, since it uses less digits than its factorization.

1351159866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191520 (or 1191511 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 1351159866 is about 36758.1265300613. The cubic root of 1351159866 is about 1105.5258762393.

The spelling of 1351159866 in words is "one billion, three hundred fifty-one million, one hundred fifty-nine thousand, eight hundred sixty-six".