166500202565145 has 32 divisors (see below), whose sum is σ = 275540590854144. Its totient is φ = 85764742200000.

The previous prime is 166500202565131. The next prime is 166500202565171. The reversal of 166500202565145 is 541565202005661.

It is not a de Polignac number, because 166500202565145 - 2⁵ = 166500202565113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166500202565094 and 166500202565103.

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, 355695481 + ... + 356163270.

It is an arithmetic number, because the mean of its divisors is an integer number (8610643464192).

Almost surely, 2^{166500202565145} is an apocalyptic number.

166500202565145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166500202565145 is a deficient number, since it is larger than the sum of its proper divisors (109040388288999).

166500202565145 is a wasteful number, since it uses less digits than its factorization.

166500202565145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711859293.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 166500202565145 in words is "one hundred sixty-six trillion, five hundred billion, two hundred two million, five hundred sixty-five thousand, one hundred forty-five".