1166244426 has 32 divisors (see below), whose sum is σ = 2654870400. Its totient is φ = 379265760.

The previous prime is 1166244419. The next prime is 1166244427. The reversal of 1166244426 is 6244426611.

1166244426 is a `hidden beast` number, since 1 + 1 + 6 + 624 + 4 + 4 + 26 = 666.

It is a super-2 number, since 2×1166244426² = 2720252122352138952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166244427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261166 + ... + 265593.

It is an arithmetic number, because the mean of its divisors is an integer number (82964700).

Almost surely, 2^1166244426 is an apocalyptic number.

1166244426 is an abundant number, since it is smaller than the sum of its proper divisors (1488625974).

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

1166244426 is a wasteful number, since it uses less digits than its factorization.

1166244426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526811 (or 526805 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1166244426 is about 34150.3210233813. The cubic root of 1166244426 is about 1052.5995831474.

The spelling of 1166244426 in words is "one billion, one hundred sixty-six million, two hundred forty-four thousand, four hundred twenty-six".