1160361881 has 4 divisors (see below), whose sum is σ = 1326127872. Its totient is φ = 994595892.

The previous prime is 1160361871. The next prime is 1160361887. The reversal of 1160361881 is 1881630611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1160361881 - 2⁶ = 1160361817 is a prime.

It is a super-2 number, since 2×1160361881² = 2692879389755716322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160361887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82882985 + ... + 82882998.

It is an arithmetic number, because the mean of its divisors is an integer number (331531968).

Almost surely, 2^1160361881 is an apocalyptic number.

It is an amenable number.

1160361881 is a deficient number, since it is larger than the sum of its proper divisors (165765991).

1160361881 is an equidigital number, since it uses as much as digits as its factorization.

1160361881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165765990.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1160361881 is about 34064.0849135860. The cubic root of 1160361881 is about 1050.8268259909.

The spelling of 1160361881 in words is "one billion, one hundred sixty million, three hundred sixty-one thousand, eight hundred eighty-one".