166988033516 has 6 divisors (see below), whose sum is σ = 292229058660. Its totient is φ = 83494016756.

The previous prime is 166988033461. The next prime is 166988033521. The reversal of 166988033516 is 615330889661.

It is a happy number.

166988033516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20873504186 + ... + 20873504193.

It is an arithmetic number, because the mean of its divisors is an integer number (48704843110).

Almost surely, 2^166988033516 is an apocalyptic number.

It is an amenable number.

166988033516 is a deficient number, since it is larger than the sum of its proper divisors (125241025144).

166988033516 is a wasteful number, since it uses less digits than its factorization.

166988033516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41747008383 (or 41747008381 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 166988033516 in words is "one hundred sixty-six billion, nine hundred eighty-eight million, thirty-three thousand, five hundred sixteen".