166552117050005 has 32 divisors (see below), whose sum is σ = 200600988981120. Its totient is φ = 132750250594560.

The previous prime is 166552117049921. The next prime is 166552117050031. The reversal of 166552117050005 is 500050711255661.

It is not a de Polignac number, because 166552117050005 - 2¹⁶ = 166552116984469 is a prime.

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, 6785017142 + ... + 6785041688.

It is an arithmetic number, because the mean of its divisors is an integer number (6268780905660).

Almost surely, 2^{166552117050005} is an apocalyptic number.

It is an amenable number.

166552117050005 is a deficient number, since it is larger than the sum of its proper divisors (34048871931115).

166552117050005 is a wasteful number, since it uses less digits than its factorization.

166552117050005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28709.

The product of its (nonzero) digits is 315000, while the sum is 44.

The spelling of 166552117050005 in words is "one hundred sixty-six trillion, five hundred fifty-two billion, one hundred seventeen million, fifty thousand, five".