166100505141415 has 64 divisors (see below), whose sum is σ = 237999363388416. Its totient is φ = 110034124941312.

The previous prime is 166100505141371. The next prime is 166100505141451. The reversal of 166100505141415 is 514141505001661.

It is not a de Polignac number, because 166100505141415 - 2⁹ = 166100505140903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4354429 + ... + 18739318.

It is an arithmetic number, because the mean of its divisors is an integer number (3718740052944).

Almost surely, 2^{166100505141415} is an apocalyptic number.

166100505141415 is a deficient number, since it is larger than the sum of its proper divisors (71898858247001).

166100505141415 is a wasteful number, since it uses less digits than its factorization.

166100505141415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23094088.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 166100505141415 in words is "one hundred sixty-six trillion, one hundred billion, five hundred five million, one hundred forty-one thousand, four hundred fifteen".