166061156050199 has 8 divisors (see below), whose sum is σ = 166301331262128. Its totient is φ = 165821054875200.

The previous prime is 166061156050157. The next prime is 166061156050211. The reversal of 166061156050199 is 991050651160661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166061156050199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166061156050099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14019302 + ... + 22992675.

It is an arithmetic number, because the mean of its divisors is an integer number (20787666407766).

Almost surely, 2^{166061156050199} is an apocalyptic number.

166061156050199 is a deficient number, since it is larger than the sum of its proper divisors (240175211929).

166061156050199 is an equidigital number, since it uses as much as digits as its factorization.

166061156050199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37018465.

The product of its (nonzero) digits is 2624400, while the sum is 56.

The spelling of 166061156050199 in words is "one hundred sixty-six trillion, sixty-one billion, one hundred fifty-six million, fifty thousand, one hundred ninety-nine".