1167716605 has 16 divisors (see below), whose sum is σ = 1537812864. Its totient is φ = 844156480.

The previous prime is 1167716603. The next prime is 1167716609. The reversal of 1167716605 is 5066177611.

It is not a de Polignac number, because 1167716605 - 2¹ = 1167716603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167716603) 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, 54382 + ... + 72751.

It is an arithmetic number, because the mean of its divisors is an integer number (96113304).

Almost surely, 2^1167716605 is an apocalyptic number.

It is an amenable number.

1167716605 is a deficient number, since it is larger than the sum of its proper divisors (370096259).

1167716605 is a wasteful number, since it uses less digits than its factorization.

1167716605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127316.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 1167716605 is about 34171.8686202555. The cubic root of 1167716605 is about 1053.0423043543.

It can be divided in two parts, 11677 and 16605, that added together give a palindrome (28282).

The spelling of 1167716605 in words is "one billion, one hundred sixty-seven million, seven hundred sixteen thousand, six hundred five".