166610005165677 has 16 divisors (see below), whose sum is σ = 229814473667072. Its totient is φ = 107255117295360.

The previous prime is 166610005165661. The next prime is 166610005165693. The reversal of 166610005165677 is 776561500016661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166610005165661) and next prime (166610005165693).

It is not a de Polignac number, because 166610005165677 - 2⁴ = 166610005165661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166610005165627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960029088 + ... + 1960114089.

It is an arithmetic number, because the mean of its divisors is an integer number (14363404604192).

Almost surely, 2^{166610005165677} is an apocalyptic number.

It is an amenable number.

166610005165677 is a deficient number, since it is larger than the sum of its proper divisors (63204468501395).

166610005165677 is a wasteful number, since it uses less digits than its factorization.

166610005165677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920143668.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 166610005165677 in words is "one hundred sixty-six trillion, six hundred ten billion, five million, one hundred sixty-five thousand, six hundred seventy-seven".