1166529938 has 16 divisors (see below), whose sum is σ = 2064274944. Its totient is φ = 483814080.

The previous prime is 1166529937. The next prime is 1166530003. The reversal of 1166529938 is 8399256611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1166529937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343495 + ... + 1344362.

It is an arithmetic number, because the mean of its divisors is an integer number (129017184).

Almost surely, 2^1166529938 is an apocalyptic number.

1166529938 is a deficient number, since it is larger than the sum of its proper divisors (897745006).

1166529938 is a wasteful number, since it uses less digits than its factorization.

1166529938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687897.

The product of its digits is 699840, while the sum is 50.

The square root of 1166529938 is about 34154.5009918166. The cubic root of 1166529938 is about 1052.6854728872.

The spelling of 1166529938 in words is "one billion, one hundred sixty-six million, five hundred twenty-nine thousand, nine hundred thirty-eight".