1166072250 has 64 divisors (see below), whose sum is σ = 3326319360. Its totient is φ = 266529600.

The previous prime is 1166072249. The next prime is 1166072273. The reversal of 1166072250 is 522706611.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105805 + ... + 116304.

It is an arithmetic number, because the mean of its divisors is an integer number (51973740).

Almost surely, 2^1166072250 is an apocalyptic number.

1166072250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166072250 is an abundant number, since it is smaller than the sum of its proper divisors (2160247110).

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

1166072250 is a wasteful number, since it uses less digits than its factorization.

1166072250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222136 (or 222126 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1166072250 is about 34147.8000755539. The cubic root of 1166072250 is about 1052.5477811691.

Adding to 1166072250 its reverse (522706611), we get a palindrome (1688778861).

The spelling of 1166072250 in words is "one billion, one hundred sixty-six million, seventy-two thousand, two hundred fifty".