1126161684 has 24 divisors (see below), whose sum is σ = 2919678720. Its totient is φ = 375387192.

The previous prime is 1126161683. The next prime is 1126161691. The reversal of 1126161684 is 4861616211.

1126161684 is a `hidden beast` number, since 11 + 26 + 1 + 616 + 8 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126161683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5213604 + ... + 5213819.

It is an arithmetic number, because the mean of its divisors is an integer number (121653280).

Almost surely, 2^1126161684 is an apocalyptic number.

It is an amenable number.

1126161684 is an abundant number, since it is smaller than the sum of its proper divisors (1793517036).

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

1126161684 is a wasteful number, since it uses less digits than its factorization.

1126161684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427436 (or 10427428 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1126161684 is about 33558.3325569075. The cubic root of 1126161684 is about 1040.3997735765.

Adding to 1126161684 its reverse (4861616211), we get a palindrome (5987777895).

The spelling of 1126161684 in words is "one billion, one hundred twenty-six million, one hundred sixty-one thousand, six hundred eighty-four".