1168000691 has 16 divisors (see below), whose sum is σ = 1452917088. Its totient is φ = 922483200.

The previous prime is 1168000679. The next prime is 1168000703. The reversal of 1168000691 is 1960008611.

It is an interprime number because it is at equal distance from previous prime (1168000679) and next prime (1168000703).

It is a cyclic number.

It is not a de Polignac number, because 1168000691 - 2⁶ = 1168000627 is a prime.

It is a super-4 number, since 4×1168000691⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168000601) 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, 237800 + ... + 242661.

It is an arithmetic number, because the mean of its divisors is an integer number (90807318).

Almost surely, 2^1168000691 is an apocalyptic number.

1168000691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1168000691 is a deficient number, since it is larger than the sum of its proper divisors (284916397).

1168000691 is a wasteful number, since it uses less digits than its factorization.

1168000691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480502.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1168000691 is about 34176.0250906977. The cubic root of 1168000691 is about 1053.1276933144.

The spelling of 1168000691 in words is "one billion, one hundred sixty-eight million, six hundred ninety-one", and thus it is an aban number.