166010161101655 has 32 divisors (see below), whose sum is σ = 227250205293888. Its totient is φ = 115332960000000.

The previous prime is 166010161101637. The next prime is 166010161101661. The reversal of 166010161101655 is 556101161010661.

It is not a de Polignac number, because 166010161101655 - 2⁷ = 166010161101527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28492096 + ... + 33820405.

It is an arithmetic number, because the mean of its divisors is an integer number (7101568915434).

Almost surely, 2^{166010161101655} is an apocalyptic number.

166010161101655 is a deficient number, since it is larger than the sum of its proper divisors (61240044192233).

166010161101655 is a wasteful number, since it uses less digits than its factorization.

166010161101655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62314947.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 166010161101655 in words is "one hundred sixty-six trillion, ten billion, one hundred sixty-one million, one hundred one thousand, six hundred fifty-five".