1166303642 has 16 divisors (see below), whose sum is σ = 2086307712. Its totient is φ = 478111920.

The previous prime is 1166303629. The next prime is 1166303687. The reversal of 1166303642 is 2463036611.

It is a junction number, because it is equal to n+sod(n) for n = 1166303599 and 1166303608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810709 + ... + 1811352.

It is an arithmetic number, because the mean of its divisors is an integer number (130394232).

Almost surely, 2^1166303642 is an apocalyptic number.

1166303642 is a deficient number, since it is larger than the sum of its proper divisors (920004070).

1166303642 is a wasteful number, since it uses less digits than its factorization.

1166303642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622093.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1166303642 is about 34151.1880027621. The cubic root of 1166303642 is about 1052.6173980755.

The spelling of 1166303642 in words is "one billion, one hundred sixty-six million, three hundred three thousand, six hundred forty-two".