166652317742 has 32 divisors (see below), whose sum is σ = 268049210880. Its totient is φ = 77475087360.

The previous prime is 166652317729. The next prime is 166652317813. The reversal of 166652317742 is 247713256661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569198 + ... + 810734.

It is an arithmetic number, because the mean of its divisors is an integer number (8376537840).

Almost surely, 2^166652317742 is an apocalyptic number.

166652317742 is a deficient number, since it is larger than the sum of its proper divisors (101396893138).

166652317742 is a wasteful number, since it uses less digits than its factorization.

166652317742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241896.

The product of its digits is 2540160, while the sum is 50.

The spelling of 166652317742 in words is "one hundred sixty-six billion, six hundred fifty-two million, three hundred seventeen thousand, seven hundred forty-two".