1166537078 has 8 divisors (see below), whose sum is σ = 1999777872. Its totient is φ = 499944456.

The previous prime is 1166537077. The next prime is 1166537083. The reversal of 1166537078 is 8707356611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166537077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41662025 + ... + 41662052.

It is an arithmetic number, because the mean of its divisors is an integer number (249972234).

Almost surely, 2^1166537078 is an apocalyptic number.

1166537078 is a deficient number, since it is larger than the sum of its proper divisors (833240794).

1166537078 is an equidigital number, since it uses as much as digits as its factorization.

1166537078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83324086.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1166537078 is about 34154.6055166796. The cubic root of 1166537078 is about 1052.6876206129.

The spelling of 1166537078 in words is "one billion, one hundred sixty-six million, five hundred thirty-seven thousand, seventy-eight".