1164494228877 has 12 divisors (see below), whose sum is σ = 1922339679520. Its totient is φ = 665425273608.

The previous prime is 1164494228869. The next prime is 1164494228899. The reversal of 1164494228877 is 7788224944611.

1164494228877 is a `hidden beast` number, since 1 + 1 + 6 + 449 + 42 + 2 + 88 + 77 = 666.

It is not a de Polignac number, because 1164494228877 - 2³ = 1164494228869 is a prime.

It is a super-2 number, since 2×1164494228877² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 18484035379 = 1164494228877 / (1 + 1 + 6 + 4 + 4 + 9 + 4 + 2 + 2 + 8 + 8 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164494228827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9242017627 + ... + 9242017752.

Almost surely, 2^{1164494228877} is an apocalyptic number.

It is an amenable number.

1164494228877 is a deficient number, since it is larger than the sum of its proper divisors (757845450643).

1164494228877 is a wasteful number, since it uses less digits than its factorization.

1164494228877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484035392 (or 18484035389 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 1164494228877 in words is "one trillion, one hundred sixty-four billion, four hundred ninety-four million, two hundred twenty-eight thousand, eight hundred seventy-seven".