1160947861 has 8 divisors (see below), whose sum is σ = 1261472000. Its totient is φ = 1064365920.

The previous prime is 1160947849. The next prime is 1160947883. The reversal of 1160947861 is 1687490611.

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 1160947861 - 2¹³ = 1160939669 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 (1160947811) 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, 984936 + ... + 986113.

It is an arithmetic number, because the mean of its divisors is an integer number (157684000).

Almost surely, 2^1160947861 is an apocalyptic number.

It is an amenable number.

1160947861 is a deficient number, since it is larger than the sum of its proper divisors (100524139).

1160947861 is a wasteful number, since it uses less digits than its factorization.

1160947861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971099.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1160947861 is about 34072.6849690482. The cubic root of 1160947861 is about 1051.0036845755.

The spelling of 1160947861 in words is "one billion, one hundred sixty million, nine hundred forty-seven thousand, eight hundred sixty-one".