1160544891 has 8 divisors (see below), whose sum is σ = 1688065344. Its totient is φ = 703360520.

The previous prime is 1160544887. The next prime is 1160544919. The reversal of 1160544891 is 1984450611.

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 1160544891 - 2² = 1160544887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1160544391) 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, 17583981 + ... + 17584046.

It is an arithmetic number, because the mean of its divisors is an integer number (211008168).

Almost surely, 2^1160544891 is an apocalyptic number.

1160544891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1160544891 is a deficient number, since it is larger than the sum of its proper divisors (527520453).

1160544891 is a wasteful number, since it uses less digits than its factorization.

1160544891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35168041.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1160544891 is about 34066.7710680070. The cubic root of 1160544891 is about 1050.8820678688.

The spelling of 1160544891 in words is "one billion, one hundred sixty million, five hundred forty-four thousand, eight hundred ninety-one".