1166242648 has 32 divisors (see below), whose sum is σ = 2323339200. Its totient is φ = 547260192.

The previous prime is 1166242643. The next prime is 1166242673. The reversal of 1166242648 is 8462426611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166242648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166242643) 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, 19590 + ... + 52117.

It is an arithmetic number, because the mean of its divisors is an integer number (72604350).

Almost surely, 2^1166242648 is an apocalyptic number.

It is an amenable number.

1166242648 is a deficient number, since it is larger than the sum of its proper divisors (1157096552).

1166242648 is a wasteful number, since it uses less digits than its factorization.

1166242648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71839 (or 71835 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 1166242648 is about 34150.2949914053. The cubic root of 1166242648 is about 1052.5990482329.

The spelling of 1166242648 in words is "one billion, one hundred sixty-six million, two hundred forty-two thousand, six hundred forty-eight".