1146768861 has 48 divisors (see below), whose sum is σ = 1816988544. Its totient is φ = 630153216.

The previous prime is 1146768853. The next prime is 1146768863. The reversal of 1146768861 is 1688676411.

It is not a de Polignac number, because 1146768861 - 2³ = 1146768853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1146768861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146768863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3248461 + ... + 3248813.

It is an arithmetic number, because the mean of its divisors is an integer number (37853928).

Almost surely, 2^1146768861 is an apocalyptic number.

It is an amenable number.

1146768861 is a deficient number, since it is larger than the sum of its proper divisors (670219683).

1146768861 is a wasteful number, since it uses less digits than its factorization.

1146768861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 513 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 1146768861 is about 33863.9758593110. The cubic root of 1146768861 is about 1046.7074065016.

The spelling of 1146768861 in words is "one billion, one hundred forty-six million, seven hundred sixty-eight thousand, eight hundred sixty-one".