1161322678 has 8 divisors (see below), whose sum is σ = 1742258160. Its totient is φ = 580569960.

The previous prime is 1161322667. The next prime is 1161322709. The reversal of 1161322678 is 8762231611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28513 + ... + 55996.

It is an arithmetic number, because the mean of its divisors is an integer number (217782270).

Almost surely, 2^1161322678 is an apocalyptic number.

1161322678 is a deficient number, since it is larger than the sum of its proper divisors (580935482).

1161322678 is an equidigital number, since it uses as much as digits as its factorization.

1161322678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91382.

The product of its digits is 24192, while the sum is 37.

The square root of 1161322678 is about 34078.1847814698. The cubic root of 1161322678 is about 1051.1167794222.

The spelling of 1161322678 in words is "one billion, one hundred sixty-one million, three hundred twenty-two thousand, six hundred seventy-eight".