1166758428 has 24 divisors (see below), whose sum is σ = 2969930880. Its totient is φ = 353563120.

The previous prime is 1166758393. The next prime is 1166758429. The reversal of 1166758428 is 8248576611.

It is a super-2 number, since 2×1166758428² = 2722650458618062368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166758429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4419408 + ... + 4419671.

It is an arithmetic number, because the mean of its divisors is an integer number (123747120).

Almost surely, 2^1166758428 is an apocalyptic number.

It is an amenable number.

1166758428 is an abundant number, since it is smaller than the sum of its proper divisors (1803172452).

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

1166758428 is a wasteful number, since it uses less digits than its factorization.

1166758428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839097 (or 8839095 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 1166758428 is about 34157.8457751656. The cubic root of 1166758428 is about 1052.7541987705.

The spelling of 1166758428 in words is "one billion, one hundred sixty-six million, seven hundred fifty-eight thousand, four hundred twenty-eight".