1149666806 has 16 divisors (see below), whose sum is σ = 1782371328. Its totient is φ = 555589800.

The previous prime is 1149666797. The next prime is 1149666811. The reversal of 1149666806 is 6086669411.

It is a Curzon number.

It is a congruent number.

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, 39761 + ... + 62291.

It is an arithmetic number, because the mean of its divisors is an integer number (111398208).

Almost surely, 2^1149666806 is an apocalyptic number.

1149666806 is a deficient number, since it is larger than the sum of its proper divisors (632704522).

1149666806 is a wasteful number, since it uses less digits than its factorization.

1149666806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23387.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1149666806 is about 33906.7368822186. The cubic root of 1149666806 is about 1047.5883596667.

The spelling of 1149666806 in words is "one billion, one hundred forty-nine million, six hundred sixty-six thousand, eight hundred six".