1166851028 has 48 divisors (see below), whose sum is σ = 2460057600. Its totient is φ = 473078880.

The previous prime is 1166851003. The next prime is 1166851033. The reversal of 1166851028 is 8201586611.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1166850982 and 1166851000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551693 + ... + 553803.

It is an arithmetic number, because the mean of its divisors is an integer number (51251200).

Almost surely, 2^1166851028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166851028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230028800).

1166851028 is an abundant number, since it is smaller than the sum of its proper divisors (1293206572).

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

1166851028 is a wasteful number, since it uses less digits than its factorization.

1166851028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1166851028 is about 34159.2012201691. The cubic root of 1166851028 is about 1052.7820487115.

The spelling of 1166851028 in words is "one billion, one hundred sixty-six million, eight hundred fifty-one thousand, twenty-eight".