7985238166 has 8 divisors (see below), whose sum is σ = 11980536624. Its totient is φ = 3991725960.

The previous prime is 7985238161. The next prime is 7985238169. The reversal of 7985238166 is 6618325897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7985238161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435330 + ... + 453301.

It is an arithmetic number, because the mean of its divisors is an integer number (1497567078).

Almost surely, 2^7985238166 is an apocalyptic number.

7985238166 is a deficient number, since it is larger than the sum of its proper divisors (3995298458).

7985238166 is a wasteful number, since it uses less digits than its factorization.

7985238166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893126.

The product of its digits is 4354560, while the sum is 55.

The square root of 7985238166 is about 89360.1598364730. The cubic root of 7985238166 is about 1998.7690897521.

The spelling of 7985238166 in words is "seven billion, nine hundred eighty-five million, two hundred thirty-eight thousand, one hundred sixty-six".