17986474966 has 16 divisors (see below), whose sum is σ = 27162379008. Its totient is φ = 8932492800.

The previous prime is 17986474937. The next prime is 17986474967. The reversal of 17986474966 is 66947468971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17986474967) 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, 216886 + ... + 288118.

It is an arithmetic number, because the mean of its divisors is an integer number (1697648688).

Almost surely, 2^17986474966 is an apocalyptic number.

17986474966 is a deficient number, since it is larger than the sum of its proper divisors (9175904042).

17986474966 is a wasteful number, since it uses less digits than its factorization.

17986474966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72087.

The product of its digits is 109734912, while the sum is 67.

The spelling of 17986474966 in words is "seventeen billion, nine hundred eighty-six million, four hundred seventy-four thousand, nine hundred sixty-six".