166500155606006 has 16 divisors (see below), whose sum is σ = 250556347957344. Its totient is φ = 82981501190784.

The previous prime is 166500155605997. The next prime is 166500155606011. The reversal of 166500155606006 is 600606551005661.

It is a super-2 number, since 2×166500155606006² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29460290 + ... + 34654133.

It is an arithmetic number, because the mean of its divisors is an integer number (15659771747334).

Almost surely, 2^{166500155606006} is an apocalyptic number.

166500155606006 is a deficient number, since it is larger than the sum of its proper divisors (84056192351338).

166500155606006 is a wasteful number, since it uses less digits than its factorization.

166500155606006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64118615.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 166500155606006 in words is "one hundred sixty-six trillion, five hundred billion, one hundred fifty-five million, six hundred six thousand, six".