1664126116 has 24 divisors (see below), whose sum is σ = 3001682880. Its totient is φ = 806887200.

The previous prime is 1664126099. The next prime is 1664126131. The reversal of 1664126116 is 6116214661.

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, 30706 + ... + 65353.

It is an arithmetic number, because the mean of its divisors is an integer number (125070120).

Almost surely, 2^1664126116 is an apocalyptic number.

It is an amenable number.

1664126116 is a deficient number, since it is larger than the sum of its proper divisors (1337556764).

1664126116 is a wasteful number, since it uses less digits than its factorization.

1664126116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96195 (or 96193 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 1664126116 is about 40793.7019158595. The cubic root of 1664126116 is about 1185.0283639588.

The spelling of 1664126116 in words is "one billion, six hundred sixty-four million, one hundred twenty-six thousand, one hundred sixteen".