1163166405 has 16 divisors (see below), whose sum is σ = 1865859840. Its totient is φ = 618757568.

The previous prime is 1163166397. The next prime is 1163166409. The reversal of 1163166405 is 5046613611.

It is a cyclic number.

It is not a de Polignac number, because 1163166405 - 2³ = 1163166397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163166409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93837 + ... + 105506.

It is an arithmetic number, because the mean of its divisors is an integer number (116616240).

Almost surely, 2^1163166405 is an apocalyptic number.

1163166405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163166405 is a deficient number, since it is larger than the sum of its proper divisors (702693435).

1163166405 is a wasteful number, since it uses less digits than its factorization.

1163166405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199740.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1163166405 is about 34105.2254793895. The cubic root of 1163166405 is about 1051.6727396635.

The spelling of 1163166405 in words is "one billion, one hundred sixty-three million, one hundred sixty-six thousand, four hundred five".