1166155050 has 24 divisors (see below), whose sum is σ = 2892064896. Its totient is φ = 310974640.

The previous prime is 1166155043. The next prime is 1166155051. The reversal of 1166155050 is 505516611.

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

It is a junction number, because it is equal to n+sod(n) for n = 1166154999 and 1166155017.

It is not an unprimeable number, because it can be changed into a prime (1166155051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3887034 + ... + 3887333.

It is an arithmetic number, because the mean of its divisors is an integer number (120502704).

Almost surely, 2^1166155050 is an apocalyptic number.

1166155050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166155050 is an abundant number, since it is smaller than the sum of its proper divisors (1725909846).

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

1166155050 is a wasteful number, since it uses less digits than its factorization.

1166155050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774382 (or 7774377 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1166155050 is about 34149.0124308156. The cubic root of 1166155050 is about 1052.5726935459.

The spelling of 1166155050 in words is "one billion, one hundred sixty-six million, one hundred fifty-five thousand, fifty".