1166275340 has 24 divisors (see below), whose sum is σ = 2508916032. Its totient is φ = 455131520.

The previous prime is 1166275337. The next prime is 1166275349. The reversal of 1166275340 is 435726611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166275340.

It is not an unprimeable number, because it can be changed into a prime (1166275349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710324 + ... + 711963.

It is an arithmetic number, because the mean of its divisors is an integer number (104538168).

Almost surely, 2^1166275340 is an apocalyptic number.

1166275340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166275340 is an abundant number, since it is smaller than the sum of its proper divisors (1342640692).

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

1166275340 is a wasteful number, since it uses less digits than its factorization.

1166275340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422337 (or 1422335 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1166275340 is about 34150.7736369178. The cubic root of 1166275340 is about 1052.6088835923.

The spelling of 1166275340 in words is "one billion, one hundred sixty-six million, two hundred seventy-five thousand, three hundred forty".