1166256300 has 72 divisors (see below), whose sum is σ = 3681139392. Its totient is φ = 282728000.

The previous prime is 1166256281. The next prime is 1166256307. The reversal of 1166256300 is 36526611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1166256307) 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 23 ways as a sum of consecutive naturals, for example, 173406 + ... + 180005.

It is an arithmetic number, because the mean of its divisors is an integer number (51126936).

Almost surely, 2^1166256300 is an apocalyptic number.

1166256300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166256300 is an abundant number, since it is smaller than the sum of its proper divisors (2514883092).

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

1166256300 is a wasteful number, since it uses less digits than its factorization.

1166256300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353439 (or 353432 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1166256300 is about 34150.4948719634. The cubic root of 1166256300 is about 1052.6031554474.

The spelling of 1166256300 in words is "one billion, one hundred sixty-six million, two hundred fifty-six thousand, three hundred".