1081684066 has 8 divisors (see below), whose sum is σ = 1693070784. Its totient is φ = 517327140.

The previous prime is 1081684031. The next prime is 1081684067. The reversal of 1081684066 is 6604861801.

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

It is not an unprimeable number, because it can be changed into a prime (1081684067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11757390 + ... + 11757481.

It is an arithmetic number, because the mean of its divisors is an integer number (211633848).

Almost surely, 2^1081684066 is an apocalyptic number.

1081684066 is a deficient number, since it is larger than the sum of its proper divisors (611386718).

1081684066 is a wasteful number, since it uses less digits than its factorization.

1081684066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23514896.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1081684066 is about 32888.9657180034. The cubic root of 1081684066 is about 1026.5185711264.

The spelling of 1081684066 in words is "one billion, eighty-one million, six hundred eighty-four thousand, sixty-six".