1166154361 has 8 divisors (see below), whose sum is σ = 1181980800. Its totient is φ = 1150414752.

The previous prime is 1166154347. The next prime is 1166154371. The reversal of 1166154361 is 1634516611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166154361 - 2¹⁷ = 1166023289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166154331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5565 + ... + 48613.

It is an arithmetic number, because the mean of its divisors is an integer number (147747600).

Almost surely, 2^1166154361 is an apocalyptic number.

It is an amenable number.

1166154361 is a deficient number, since it is larger than the sum of its proper divisors (15826439).

1166154361 is a wasteful number, since it uses less digits than its factorization.

1166154361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43415.

The product of its digits is 12960, while the sum is 34.

The square root of 1166154361 is about 34149.0023426747. The cubic root of 1166154361 is about 1052.5724862485.

The spelling of 1166154361 in words is "one billion, one hundred sixty-six million, one hundred fifty-four thousand, three hundred sixty-one".