1166072940 has 72 divisors (see below), whose sum is σ = 3723261360. Its totient is φ = 294585984.

The previous prime is 1166072933. The next prime is 1166072951. The reversal of 1166072940 is 492706611.

1166072940 is a `hidden beast` number, since 1 + 1 + 6 + 607 + 2 + 9 + 40 = 666.

It is a super-2 number, since 2×1166072940² = 2719452202800487200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1166072895 and 1166072904.

It is an unprimeable number.

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, 167059 + ... + 173898.

Almost surely, 2^1166072940 is an apocalyptic number.

1166072940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166072940 is an abundant number, since it is smaller than the sum of its proper divisors (2557188420).

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

1166072940 is a wasteful number, since it uses less digits than its factorization.

1166072940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340991 (or 340986 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1166072940 is about 34147.8101786923. The cubic root of 1166072940 is about 1052.5479887771.

The spelling of 1166072940 in words is "one billion, one hundred sixty-six million, seventy-two thousand, nine hundred forty".