166118502746 has 16 divisors (see below), whose sum is σ = 289024944576. Its totient is φ = 70131051936.

The previous prime is 166118502661. The next prime is 166118502787. The reversal of 166118502746 is 647205811661.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166118502746.

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, 88548371 + ... + 88550246.

It is an arithmetic number, because the mean of its divisors is an integer number (18064059036).

Almost surely, 2^166118502746 is an apocalyptic number.

166118502746 is a deficient number, since it is larger than the sum of its proper divisors (122906441830).

166118502746 is a wasteful number, since it uses less digits than its factorization.

166118502746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177098693.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 166118502746 in words is "one hundred sixty-six billion, one hundred eighteen million, five hundred two thousand, seven hundred forty-six".